Question

bleaching powder is produced by the action of chlorine on

Answer 1

Ca(OH)2.
Ca(OH)2 + Cl2 ----------> Ca(OCl)2 + H2

Answer 2

Dying powder is a yellowish white powder with a solid smell of chlorine.

At the point when presented to air, blanching powder gives a smell of chlorine.

This is on account of fading powder responds with carbon dioxide from the environment to create calcium carbonate and chlorine.

Beyond any doubt it will make an enormous effect.