Question

please open the picture and give the answer of these question please ​

Answer 1

(a) example: White silver cloride turns grey in sunlight. This is due to decomposition of silver cloride into silver and clorine by light.

(b) example: rusting, blacking of surface of cut vegetables and fruits.

(c) When quicklime reacts with water, slaked lime is formed with a release of large amount of heat, causing change in temperature.