What is an oxidation reaction ? Identify in the following reactions :
(i) the substance oxidised (ii) the substance reduced.
$Z n O + C \to Z n + C O$

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Solution

Oxidation involves the addition of oxygen or the removal of hydrogen in a chemical reaction while reduction involves the addition of hydrogen or removal of oxygen.

In the given reaction:

(i) Carbon (C) is oxidised to carbon monoxide (CO).

(ii) Zinc oxide (ZnO) is reduced to zinc (Zn).

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