Question

Q1.Explain the following in terms of gain of oxygen with two examples each. (a) Oxidation​

Answer 1

Answer:

a) Oxidation: A chemical reaction in which a substance gains oxygen is called oxidation.

Example:

2Cu + O2 rightwards arrow with space space space heat space space on top 2CuO, Cu is oxidised to CuO.

2Mg + O2 rightwards arrow with space space space burn space space space space on top 2MgO, Mg is oxidised to MgO

(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.