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Which substance is important in both disinfecting and bleaching uses?

Answer and explanation

Correct answer: Bleaching powder

The governing concept is the chemical action of available chlorine. Bleaching powder, commonly represented as calcium oxychloride, releases chlorine or hypochlorous species that oxidise coloured substances and many microorganisms. Thus it is used for bleaching cloth and paper and for disinfecting drinking water and surfaces. Gypsum is mainly used in plaster products, washing soda is a cleaning and softening agent, and sodium chloride is common salt rather than a bleaching disinfectant.

Related tags

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

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