Question

Bleaching Powder is produced by the action of chlorine on
1. CaO
2. CaCO3
3. Ca(HCO3)2
4. Ca(OH)2

Answer 1

Correct Answer : Ca(OH)2

EXPLANATION :

Bleaching powder is also called as chloride of lime.

It is called as calcium oxychloride- CaOCl2

Preparation of Bleaching Powder :

Bleaching powder is prepared by passing chlorine gas over dry slaked lime

Ca(OH)2  + Cl2-----> CaOCl2 + H2O

Answer 2

Cao is right on the grounds that atomic equation of fading powder is caocl2.

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

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

This is on the grounds that dying powder responds with carbon dioxide from the air to deliver calcium carbonate and chlorine.