Question

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Answer 1

Answer:

CuO is reduced and Zn is oxidized

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Answer 2

Answer:

1.Any reaction that evolves heat as a by-product of the reaction is called an exothermic reaction. > Therefore, respiration is an exothermic reaction and the heat produced is distributed throughout the body as energy and that is the reason when we breathe out or breath is warm.

2.The terms oxidation and reduction can be defined in terms of the adding or removing oxygen to a compound. ... Oxidation is the gain of oxygen. Reduction is the loss of oxygen.

3.Here, Copper oxide(CuO) is reduced to Copper (Cu) and Zn is oxidized to (ZnO).