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Question: What is bleaching powder How is it prepared list two uses of bleaching powder?

Bleaching powder is calcium oxychloride. It is prepared by the action of chlorine on dry slaked lime. Uses : (i) Used for bleaching cotton and linen in the textile industry and wood pulp in paper industry etc.

What is bleaching powder and how it is prepared?

Bleaching powder is prepared by passing dry chlorine gas over dry slaked lime. The reaction being essentially: 2Ca(OH)2​+2Cl2​→Ca(OCl)2​+CaCl2​+2H2​O.

What is bleaching powder How is it prepared Class 11?

Bleaching powder is Calcium oxy chloride ( CaOCl2). It is prepared by passing chlorine gas over dry slaked lime. Uses – 1. Bleaching powder is used for bleaching cotton and linen in the textile industry and for bleaching wood pulp in paper industry.

What is bleaching powder How is it prepared Class 10?

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.

What is bleaching powder explain it?

: a white powder consisting chiefly of calcium hydroxide, calcium chloride, and calcium hypochlorite and used as a bleach, disinfectant, or deodorant.

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How the bleaching powder is prepared?

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 C a ( O H ) 2 ).

How is bleaching powder prepared formula?

Chemical formula of Bleaching Powder is CaOCl2 and its Chemical name is Calcium Oxychloride. It is Prepared by Chlorine gas over dry slaked lime. Generally this method is used in large scale preparation of bleaching powder.

What is bleaching powder and what is its use?

a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant.

What is bleaching powder 12?

with its chemical name as Calcium hypochlorite. Hence, bleaching powder is prepared from slaked lime. Note- Bleaching Powder 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.

How is bleaching powder produced give two examples?

Bleaching powder is produced by the reaction of calcium hydroxide with chlorine. Calcium hydroxide is also known as slaked lime. When chlorine gas is passed over the dry slaked lime thus bleaching powder and water is produced. So option A is correct which is lime and chlorine.

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