(a) Explain the following in terms of gain or loss of Oxygen with one example each:
(i) Oxidation (ii) reduction
(a) Oxidation: A chemical reaction in which a substance gains oxygen is called oxidation.
Example:
2Cu + O2 = 2CuO (Cu is oxidized to CuO)
(b) Reduction: A chemical reaction in which a substance loses oxygen is called reduction.
Example:
ZnO + C = Zn + CO ( ZnO is reduced to Zn).
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