preparation of bleaching powder points
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preparation of bleaching powder points
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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:
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.