--> . 10 . . .

 


 

>> 10 . .

 


8.

1. 1 45 . . ? .

2. 2 23 ( (II)). 1 . ? .

 


.

 

1. 1 4-5 . . .

+ Ag2O = + 2Ag

2. 2 . . 1 , . .

2Cu(OH)2 + = + Cu2O + 22O

 

 




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