Question

A substance treatment with chlorine gas yields bleaching powder. Name the substance

Answer 1

calcium hydroxide -Ca(OH)2

calcium hydroxide react with chlorine gas to produce calcium oxychloride and water

it is prepared by hasenclevers plant

bleaching powder is also known as calcium oxychloride

Answer 2

CALCIUM HYDROXIDE..

Bleaching powder is prepared by passing gas state of chlorine over dry slaked lime (`Ca(OH)_2` ), this process will gives bleaching powder.

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