Question

Hey MATE

Q) What is the uses of Bleaching power ??

class 10

Answer 1

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$\huge{ \mathcal{ \underline{ \blue{Bleaching \: powder}}}}$

=> It is prepared by passing chlorine gas through dry slaked lime.

Ca(OH)2 + Cl2 -------> CaOCl2 + H2O

=> Chemical formula : CaOCl2

=> Chemical name : Calcium oxide chloride

=> Common name : Chloride of lime .

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$\huge{ \underline{ \mathcal{ \red{USES :-}}}}$

=> It is used for bleaching cotton and linen in textile industry.

=> It is used for bleaching of wood pulp in paper factories and for bleaching washed clothes in laundry.

=> It is used as an Oxidising agent in many Chemical industries .

=> It is used for disinfecting drinking water to make it free from germs.

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Answer 2

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$\mathfrak{\green{ANSWER:}}$

$\huge{\pink{Bleaching\:Powder}}$

Bleaching powder or Calcium hypochlorite (CaOCl2) is mixed salt have two type of anion Cl-(chloride ion ) and OCl-(hypochlorite ion) .it act as oxidizing agent and bleaching agent.

$\huge{\blue{Uses}}$

Bleaching powder has a lot of uses.

■ It is used for bleaching silk and wool.

It is mainly used as bleaching agent for cotton, linen and wood pulp.

Bleaching action of bleaching powder is due to oxidation and it is permanent

CaOCl2 + H2O——-Ca(OH)2 + Cl2

Cl2 + H2O——- O +2HCl

COLOR+O—-> COLORLESS

$\huge{\purple{Uses}}$

■ Bleaching powder is used as disinfectant and germicide especially in the sterilization of drinking water.

■ It is used for manufacturing of chloroform.

■ It is used as an oxidising agent in many chemical industries to obtain various chemical products.

C2H5OH+Cl2—->CH3CHO + 2HC

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