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What happen when bleaching powder is …

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What happen when bleaching powder is exposed to air?

Posted by Yash Gharti 6 years, 6 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 6 years, 6 months ago

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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