Question

define photochemical decomposition​

Answer 1

Answer:

Photochemical decomposition: When Photon or light energy is used for decomposition or breaking of complex substances into simpler substances, then this reaction is called a photochemical decomposition reaction.

Answer 2

Answer:

The reaction in which a compound splits up into two or more simpler substance called as decomposition reaction.

When decomposition reaction is carried out by light then it is called photochemical decomposition.