Question

define a decomposition reaction and give an example of the same.
plzz answer this question very important my homework.​

Answer 1

Answer:

decomposition reaction is in which a reactant breaks down into two or more products. It is an opposite reaction of combination reaction.

eg. CO2 ---- C2 + O2

2H2O ----- 2H2 + KE etc.

Answer 2

Answer:

A reaction in which a compound or a reactants breaks into two or more products are called decomposition reaction.

eg- CaCO3 is heated or decomposed it give Cao and CO2

CaCO3 ----CaO + CO2

Explanation:

decomposition reaction are of 3 types

1 thermal decomposition reaction

2 electrolytic decomposition reaction

3 photo decomposition reaction