Question

Give an example of a photochemical decomposition reaction used in photography

Answer 1

Photochemical decomposition reaction uesed in black and white photography:

2AgBr ➡️(in presence of sunlight) 2Ag + Br2

Silver bromide decomposes in presence of sunlight to give silver and bromide.

Answer 2

the digestion of food in our body is accompanied by the number of decomposition reaction the major constituents of our food decompose to form a number of simpler substances these substances further react releasing large amount of energy