write a note on the bleaching powder.
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Answered by
54
Bleaching powder also known as chlorinated lime is a yellowish-white powder easily soluble in
water. The chlorine content of bleaching powder varies from 35 – 40%. If temperature of lime kept
between 30o
C – 40o
C bleaching powder with available chlorine upto 40% is obtained. It is not
hygroscopic, if kept under 40o
C.It is mainly used as a bleaching agent and as a disinfectant. The
major use of bleaching powder is in paper industry, textile industry and oil industry. It is also used
in all chemical industry where bleaching is required.
Answered by
37
Bleaching powder CaOCl2 calcium oxychloride yellow in colour and smells exactly like chlorine. When a freshly prepared calcium hydroxide sol is reacted with chlorine gas then it forms .when it is exposed to air it reacts with carbon dioxide to liberate chlorine gas
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