2.
   2022
/  
 
(   -II)
: 3     :50
:    -    ,        
             
-
1.      
2.          
-
3.             ?
4.        ?         
        ?
-
2.
5.          
6.    '  :
()  
() 
()  
(d)  
-
7. -      
8.              
 
2.
   2022
/  
 
(   -II)
: 3     :50
:    -    ,        
             
-
1.      
:1.  -     
       - 
   ?     
             ,     
      ,        ,
          
    :




-


             ,   
         
  
2.
      ,   -   
   
 ,    "  " 
  ,     
2.  -   
   ,    
      ,   
                
,  '  ,        
    '   :
 , , ,   ,    
 
 , -    , , ,     
       
 -       
    

 
  ,          , 
       
     
3.  -  3D   
   '    ,         
 -  ;   :



        , , ,       
  
  , ,  ,  3D 
,      
    ,     
 
4.  -   
2.
    ,         , , , ,
 ,               
         !
     :
-   (, , )
-     
-   
    :
   , ,    
 
  ,    
 
     
 
       
     
 
       
        
       , 
            
5.  -      ( ' !)
                 
 
 ,  
 , ,          
   ,       -        
    
  

 :
    
   
    
    
 ,            
      
6.  -    
2.
           
 ,      
 

       
     :
    
   
-  
 
  :
 -      
 -   -  
      ,    
    
    
 
7.  -    
            
   ,   , 
        ,   
 ,  
        ,   
           
   
?

              ,
,                
     ,         
    ,   - 

  , , , , , ,     
     -    ,    ,
               

 , , , ,      
2.
   ,            
  
       ,  ,   ,  
                
2.          
:🌟-
       
 -  ,     
       ,     
                 
  
👉  :      
 ,    
  
        ,     
     
🌟    
1.   
         
    

    - , ,    -       
👉:             
  
       
2.     
()   
         
 
:          
    
'   
()     
     
 
:          ,   
,               
      
2.
(c)  
     
 
:           ,   
       
()  
       
:        ,    , 
        
3.   
   
 
   
 
  
             
👉   
   -          
 
 
🌟    
1.   
                 
    ,    
👉:            
 '   
2.    
(a)  
        
:        '   
()     
     -  
:       '   
(c)  
2.
, ,     '    
:  '       
()  
, , ,      
:            '  

3.   
        
       
       -    
👉      -         
🌟   
     
 ,    
   
   :
          
          
👉:        
   , 
   '   
   
📖  
           
    -        
     -       
             
          -      
  '  
     ,  -      

,      
 
🌟     
1.  :          
   ,          
2.
2.  :    (   )  (
   )    
3.  :     ( ,  ) 
   ( ,  )    
4.  :          
,     
   
🌟 
   
       
   
       
       -     

 
       ( )   
 (   )       
📊 





  
   

, 

  

   

  ,


   

  
  
🌍 
            
      
 ,      

    ,       
 
-
3.             ?
:  ,            .
               
            ,    
               ,  
 ,                
2.
       
 
      
,            ,   

     ,        : "    
    ?"
 
 .             
        ,  , ,  ,   
    ,           
 
 ,                
                ,
              
  
       
      .         
             ,    
,           ,      ,
                  
   ,        
    , 
     , 
      ,      
          
 
   .         , 
       , , ,      

         
  ,   ,
         
      
   ,            
      ,          
       ,          
          .  -  
      ,          , 
   ,            
,  ,           , ,
          
      
       
              
    
     ,   ,    
 ,    -      ,  ,  
 ,    '            
 
       '    
    

 ,        
 ,     
  
2.
        .   
    
       ,        
      
        
        ,       
        
       
    
      -   .   
              ,  
     ,            
 " "  "- "    ,     '
       
           ,   
       '         
       ,  ,     
   ,          
    
         .   
,       ,         ,
  ',               
         ,     
 
 
 ,            
,    . 
       
;       
      
,          
   
 ,     ,         ,
, , , ,     -    
   
   ,  
   

 - 
  
   ,      ,           
    ,    
2.
4.        ?         
        ?
:🌟      
🌟-
          ,    ,  
 -                 
 ,   
    ,       , 
   ,                 
  ,                
      
👉  :       -      ,   
  
     
 
🌟     
1.   
 :     '        
    
 :           
 ,      
 :            - 
  :         ,  
     
👉:              
     
2.   
 :             
        
   :         
  ,  -   
    :        
     
👉     -          
3.    
2.
  ' :      '       
   
  :        
-  :      ,    
   
4.  
 :       
 :            
  
  :            
5.    
 : '       -   
  :        '     
 ,     
🌟         
1.     
         -  , ,   
 -         '   
👉:               
     
2.  
       
     ,      -

 
3.    
    ,       
        
👉    '  ""   
4.      
  ,    
2.
-              

5.   
      
          ,  ,  
   
6.  
 ,   '  
        
      ,        
7.      
            
       -     
   '          
📖  
                  
 -  ,   
 ,           
      ,           
 ,       ,       
👉  
            
   
🌟   
     (    )
     (    )
      (   )
  -  (   )
      (  
 )
🌟 
               ,  
   '           ,  
2.
    
 ,            
,          ,   
        
📊 
 
 
  

/ ,  
 ,  

,  
 , 
 
,  
  

  
  

 ,   
 ,  
  
 , , 
   
🌍 
    ,        '     
 
      ,   ,    , 
     
          
  , 
          
     
-
5.          
:  ?
        ( ),   , 
 ( )    
  :
👉        
 
👉       ,      
 
   '   
      
                 
 
              
              ,   
         
2.
        :
  (        
 )
  (        )
 (     )
  (       )
 
             
 
 '       ',       
:  3  
    
 
🔹
            
    ,          

        :
      
         
 ,           
🔹    
 (  - NaOCl)
 (₂)
 
 ( )
🔹    ?
           '   :
     
   
     
 
    
2.
     
  ,    
 
🔹
   
 
     
🔹
           
      (  )
       

 ,    ,    , ,
       !
 3  
🔹
           ,  
           ,    
  
       '   :
      -   
      
         
🔹 
  (SO₂)
 
 
🔹    ?
               
2.
       :
       
 
       
   (  )
🔹
   
   
      
🔹
    
   
      
       
 

         - , ,   

     
   -,       :
 
 3  
    
( 
  / 
 )
     (
  /  
 )
 
  ' 
 
 
 , 
, 

 , 
, 

,  , 
,  
   ,
 
   ' 
   
 ' 
2.
    
      
 ,    ,    
                :
👉  =  +  +    +    +
  '   
👉  =  +  
  +      
  , ,       
    ,
   ,   ,     ,    
 
6.    '  :
()  
() 
()  
(d)  
:🌟 : , , ,   
🌟-
 
    ,  
   , ,   
  -                

 -             
 , ,         
👉  :         ,  
 
          
, , ,   
🌟()  

       ,     
, ,          
2.
👉     ""         
 

    ,     
 
      ,  
 
          
 
            
      -        


     -       
           
🌟() 

             '  
       
👉   
           ,   
          
     

              
 
       
       

     
  
         
      
 
2.
     -        

           

          
   
   

🌟() 

             
  
                

👉  :   
   ""  

 :  ' , ,   
 :        
 
:    

 
   
 
        
 
       
 
,     
     -     

      
 ,     
  
-        
🌟()  
2.

               
              
👉  "  "   

 -           
     
       
  ( )   '    ,      
 

     
 
      
 
,  ,     
 
     
       -   
              

       -  
 -    
 ,         
📖  
    :
1. 
    
  
  -      
  
2. 
    ,          -   '
-   
3. 

   ,        -    
  
4.         ,     
  -    
2.
👉     -   ,       
,       
🌟 
   ,    
 ,     
 
        
    ,     
  ,   
     ,   
 
 
📊 
 




  
 
 , 
  

   
,  
  

   

, 
  
  
 
  

 
   ,
  
  - 
🌍 
, ,  ,        
        
      , 
  ,    ,    
-
7. -      
:   
  -   ,      
,          
         ? 
, ,        ,       
 - 
                 ,
        ,     
   
2.
        
 ,   
 ,   
     
 
  -      , -   
🌸  ? -   
                   :
    , , 
    , , 
           ,     

   :
"      ,          "
🌟   
   '     ,         
'      
 -      
 
  (  )
                
           
 :
         ,      (
 )       
        :
  
  
2.
   

   ?
 



 :
       -         
         
 
                 !
   :
 -  
 -    
        :



     

   ?
 


  
  

 :
       ,       
      
2.
 () 
                

:
 
  
  '     
   ?
 
 
:
      -     
  (      )
                  
   
:

 

    
   ?

 
 
 
:
2.
      -      
  
              "   "
 
:
 

       
   ?


 
:
          
  
              
   ,           
:
 

 
 
   ?
  
-
 
 ()
2.

:
          -    
   
      
           
,     
   :
  ()
  ( )
  (   )
  ( )
   ?
 
 

 

:
, ,            - 
     !
   
🌿 :
    :


2.
🧪 :
      :



🧵 -     
?
  -   -      ,    - 
 -    
   
    
   
    
   
    
-     ,    
 
🎯   
  
  
 

 
 

 


 
 
 
/

 

 
 


 
 
+   


, 
  
 




, 
 

 

 

  
 


 
  
🌼
2.
        ,       
    ,   ,     , 
 
             ,  
 ,    ,         
    
    ,  :
"  -,   ,   ,     
...         
 "
8.              
 
:🌟-

     :     '  ,  ' 
,     '          , 
     ,           
              ,    
      ,    
👉  :         ,    , 
   

🌟  
     '    , ,       , ,
,               
 ,            
🌟     
    ,        -  
-       :
1. :  ,      
o :           
2.   :      
o :           
3.  :          ,
        
2.
4. :      
o :  
   ,       
👉    
         
🌟    
    ',          :
1.   :        
2.  ,  :           
3.     :  -       
 
4.   :   ' , ,    ,     
  
5.     :         ' 
   
6.    :  , -      
🌟     
1.   
: , ,   ,   '       

  :
o          
o           
o    -  
o    
:    '        
👉     ,        
2.     
:,          
  :
o         
o        
o       ' 
o    
:     '     
2.
👉        ,     
3.   
:   ,   '    
  :
o     
o       
o     -  
o   
:       '      
👉           
4.     
:  ,     
  :
o    
o       
o     ,     
:     '  
👉        ,   
5.   
:   ,       -
  :
o         
o 30    
o      
:       '  
👉         , -  
📖  
   ,         
     ,
 '   :  '     ,   ,    
   ,              '
  -   ,      ,      ,
       
2.
👉  
           
 
🌟 
      
       
  ( , ,  )     
              

   
          
 
 
📊 
 


  
 

, 

, 

/
, 

 +  
   

/, 
  + 
/

/
  
 +  


 
   /

   
🌍 
 -    ,         

    ,           ,   ,

              
"              
 
       ,       
 "