Question

What happens when bleaching powder is kept open in air reaction?

Answer 1

Bleaching powder when kept open in air gives a smell of chlorine this is because it reacts with CO2 present in air.....

Answer 2

Hello..

Bleaching powder is hygroscopic so when kept open to air it absorbs moisture from atmosphere and becomes soggy over a period of time....As it absorbs moisture it loses chlorine and thus loses its property.......

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