a white substance x having a …

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a white substance x having a strong smell of chlorine is used to clean a water tank a) identify and chemical substance X and give its chemical formula b) how is above substance X manufacture? write the chemical equation for its preparation c) list two important uses of this compound

Posted by Tania Sharma 6 years, 5 months ago

CBSE > Class 10 > Science

2 answers

Mohammad Amaan 6 years, 5 months ago

The substance X is 'Bleeching powder' with chemical formula CaOCl2. It is prepared by passing chlorine gas over slaked lime. Equation:- Ca(OH)2+ Cl2------->CaOCl2+H2O Uses:-(i) It is used in bleaching cotton and linen in textile industries. (i) It is used in bleaching wood pulp in paper industries. (i) It is also used in disinfecting of drinking water.

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Sia ? 6 years, 5 months ago

(A) Bleaching powder Ca(ClO)2
(B) 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.
(C) It is mainly used as bleaching agent for cotton, linen and wood pulp. Bleaching powder is used as disinfectant and germicide especially in the sterilization of drinking water.

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science