Question

preparation of bleaching powder points

Answer 1

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Bleaching powder is prepared on a large scale basis by passing chlorine gas through a solution of calcium hydroxide (Ca(OH)2) which is commonly called as slaked lime. The reaction that occurs is Ca(OH)2+Cl2(g)→CaOCl2+H2O.

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Answer 2

Answer:

Bleaching powder is prepared on a large scale basis by passing chlorine gas through a solution of calcium hydroxide (Ca(OH)

2

) which is commonly called as slaked lime.

The reaction that occurs is Ca(OH)

2

+Cl

2

(g)→CaOCl

2

+H

2

O.

Bleaching powder is mainly used for bleaching papers and sterilizing water.