Question

What happens? Chlorine gas is passed through dry slaked lime

Answer 1

Slaked lime is calcium hydroxide. When Chlorine is passed through it, Calcium hypochlorite is formed which is acomponent of bleaching powder.

Chemical reaction isbas follows.

2 Ca(OH)2 + 2 Cl2 → Ca(OCl)2 + CaCl2 + 2 H2O

Answer 2

When the carbon dioxide gas is passed through or over lime water , it turns milky due to the formation of calcium carbonate. Slaked lime reacts with chlorinegas to produce the bleaching agent calcium hypochlorite - a common form of 'swimming pool' chlorine