Question

How is bleaching powder prepared ?​

Answer 1

Answer:

heya mate ☺

Bleaching powder is prepared by passing gas state of chlorine over dry slaked lime (`Ca(OH)_2` ), this process will gives bleaching powder. Bleaching powder is prepared on a large scale by passing the chlorine gas through a solution that contains calcium hydroxide....

Answer 2

Answer:

Bleaching powder -

• Chemical formula : CaOCl2.

• Chemical name : Calcium Oxy Chloride

• Preparation -

Ca(OH)2 + Cl2 —> CaOCl2 + H2O

• Uses :

1. It is used for bleaching cotton and linen in textile industry.
2. It is also used for bleaching wood pulp in paper industry.
3. It is also used for disinfecting drinking water supply.
4. It is used in the manufacturing of chloroform (CHCl3).
5. It is used in making wool unshrinkable.
6. It is used as an oxidizing agent in many chemical industries.

Other important salts -

• Caustic Soda
• Common Salt
• Washing Soda
• Baking Soda
• Bleaching powder
• Plaster of Paris