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Why is bleaching powder useful for disinfecting water?

Answer and explanation

Correct answer: It can provide available chlorine

Bleaching powder is useful for water disinfection because it releases available chlorine when added to water. This chlorine forms active chlorine-containing species that oxidise and destroy many disease-causing microorganisms. Its purpose is not to sweeten, freeze, or convert water into metal. Therefore, the scientifically correct explanation is option A.

Related tags

Bleaching PowderDisinfectionAvailable ChlorineAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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