preapration and application of bleching powder
Answers
Answer:
- Preparation of bleaching powder- Bleaching powder is synthesized by the action of chlorine gas (produced from the chlor-alkali process) on dry slaked lime (Ca (OH)_2). ...
- Uses of bleaching powder-It is used for bleaching dirty clothes in the laundry, as a bleaching agent for cotton and linen in the textile industry.
Explanation:
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Answer:
BLEACHING POWDER - DEFINITION
Formula: Ca(OCl)Cl
Properties:
1. It is a pale yellow powder. It has a strong smell of chlorine. It is soluble in water but a clear solution is never formed due to the presence of impurities.
2. On long standing, it undergoes auto-oxidation into calcium chlorate and calcium chloride.
3. On account of the formation of nascent oxygen, it shows oxidising and bleaching properties.
USES OF BLEACHING POWDER - DEFINITION
Uses:
1. As a disinfectant and germicide especially in the sterilization of drinking water.
2. For the manufacture of chloroform.
3. For making wool unshrinkable.
4. As an oxidising agent in the industry.
PREPRATION OF CALCIUM HYPOCHLORITE - DEFINITION
Bleaching powder is prepared by the reaction of milk of lime with Chlorine. The chemical name for Bleaching powder is Calcium Oxycloride.
SEE ATTACHMENT TO KNOW EQUATION OF THIS REACTION
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