Question

What happen when bleaching powder is exposed to air?

Answer 1

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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.

CaOCl2 + CO2 → CaCO3 + Cl2 ↑

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Answer 2

Answer:

when bleaching powder exposed to air it gives a smell of chlorine. This is because bleaching powder reacts with carbon dioxide from the atmosphere to produce calcium carbonate and chlorine.

Explanation:

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