Question

how is bleaching powder prepared ?
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Answer 1

Answer:

Bleaching powder -

Chemical formula : CaOCl2.

Chemical name : Calcium Oxy Chloride

Preparation -

Ca(OH)2 + Cl2 —> CaOCl2 + H2O

Uses :

• It is used for bleaching cotton and linen in textile industry.
• It is also used for bleaching wood pulp in paper industry.
• It is also used for disinfecting drinking water supply.
• It is used in the manufacturing of chloroform (CHCl3).
• It is used in making wool unshrinkable.
• 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

Answer 2

Answer:

$\huge\mathbf\green{ProCess:-}$

Bleaching powder is prepared on a large scale basis by passing chlorine gas through a solution of calcium hydroxide (Ca(OH)2) which is commonly called as slaked lime.

$\huge\mathscr\red{Reaction:}$

Ca(OH)2+Cl2(g)→CaOCl2+H2O

${\blue{\underline{\mathcal{\huge{Uses:-}}}}}$

• It is used for bleaching dirty clothes in the laundry, as a bleaching agent for cotton and linen in the textile industry.
• It is a strong oxidizing agent hence used as an oxidizer in many industries.
• It is used as a disinfectant which is used for disinfecting water to make potable water.

$\huge\mathfrak\pink{Hope\; It\;Helps\;You}$