Question

what is Decomposition reaction defination and example

Answer 1

A reaction in which single reactant breaks down to form simpler products is called decomposition reaction
FeSO4 on heating gives Fe2O3 +SO2+SO3

Answer 2

Answer:

when a single reactant decompose into 2 or more products.. this reaction is called as decomposition reaction.

for example-

CaCO3----------> CaO + CO2