Please answer this. 

Dear student 

The correct answer is option B , since Reduction means addition of hydrogen or removal of oxygen. In this case, ZnO is reduced.

Oxidation on the other hand means addition of oxygen or removal of hydrogen, hence in this case, C is oxidised.


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Ans- (B) III and IV only
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Here ZnO is getting reduced and C is getting oxidised, so correct answer is option b)III AND IV
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