2. 3. How Bleaching powder is produced ? What are it's
uses ?
Answers
Answer:
Preparation of Bleaching Power :
Chlorine gas is produced during electrolysis of aqueous sodium chloride.
This chlorine gas is used for the manufacture of bleaching powder.
Bleaching powder is produced by the action of a chlorine on slaked lime.
Explanation:
Uses of Bleaching Power :
It is used for bleaching cotton and linen in the textile industry for bleaching wood pulp in paper industry for bleaching washed clothes in laundry.
Used as an oxidizing agent in many chemical industries.
Used for disinfecting drinking water to make it free of germs.
Used as a reagent in the preparation of chloroform.
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11th
Chemistry
Equilibrium
Hydrolysis of Salts and the pH of their Solutions
What is bleaching powder? H...
CHEMISTRY
What is bleaching powder? How is bleaching powder produced? Give its chemical equation and write its three uses.
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ANSWER
Bleaching powder is calcium oxychloride CaOCl
2
.
Preparation: On passing chlorine gas through a test tube containing dry slaked lime Ca(OH)
2
bleaching powder is produced.
Ca(OH)
2
+Cl
2
→CaOCl
2
+H
2
O
Uses:
1. It is used as bleaching agent in textile industry and paper factories.
2. It is used as an oxidising agent in chemical industries.
3. It is used as disinfectant for drinking water, to make it germ free