Question

Plz help anyone with this question.

Answer 1

copper reduced and h2 oxidised

Answer 2

Hii friend...
CuO + H2 --------------> Cu + H2O
=> In the given reaction, CuO is changing into Cu .That is oxygen is being removed from copper oxide.So , we can say that copper oxide is being reduced to copper.
=> In this reaction H2 is changing into H20 That is oxygen is being added to hydrogen So , we can say that hydrogen is oxidised.
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