Question

explain one in term of gain or loss of oxygen with two examples a) oxidation b) reduction​

Answer 1

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(a) Oxidation: A chemical reaction in which a substance gains oxygen is called oxidation. ... (b) Reduction: A chemical reaction in which a substance loses oxygen is called reduction. ZnO + C → Zn + CO, ZnO is reduced to Zn. CuO + H2 → Cu + H2O, CuO is reduced to Cu.