A white solid substance is used to disinfect water and makes wool shrink proof. Name the substance

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Solution

Dear student

The substance is bleaching powder and the chemical name is Calcium oxychloride

preparation-when chlorine gas is passed through slaked lime bleaching powder is formed

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

The bleaching powder used to disinfect water and makes wool shrink proof.

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