a white powdery substance having strong smell of chlorine is used for disinfecting drinking water supply and identify the substance give its chemical name write the chemical reaction for its preparation
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Answer: This substance is known as Bleaching powder.
Explanation in the photograph
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Name of substance : Bleaching Powder
Chemical Name: Calcium Oxychloride
Chemical Formula: CaOCl2
Preparation:
It is prepared by passing chlorine gas into lime water.
Ca(OH)2 + Cl2 gives CaOCl2 + 2H2O
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