Question

CITIUULI
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Why is respiration considered an exothermic reaction ?
Explain the terms (a) oxidation and (b) reduction with two examples each.​

Answer 1

Explanation:

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Explain the terms (a) oxidation and (b) reduction with two examples each.

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a) Oxidation: A chemical reaction in which a substance gains oxygen is called oxidation. 2CuO, Cu is oxidised to CuO.

(b) Reduction: A chemical reaction in which a substance loses oxygen is called reduction. ZnO + C → Zn + CO, ZnO is reduced to Zn