Question

why does bleaching powder gives smell of chlorine

Answer 1

Bleaching powder is a yellowish white powder with a strong smell of chlorine. When exposed to air, bleaching powder gives a smell of chlorine. This is because bleaching powder reacts with carbon dioxide from the atmosphere to produce calcium carbonate and chlorine gas.
hope it helps you

Answer 2

Hello! dear,

Your answer goes like this...

When bleaching powder exposed to air,Bleaching powder gives a smell of Chlorine.

This is mainly because Bleaching powder reacts with carbondioxide{CO2} from the atmosphere to produce Calcium carbonate{CaCo3} and Chlorine{Cl}.

Thank you dear.

Hope it helps you dear.