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Which substance is used for bleaching clothes and wood pulp?

Answer and explanation

Correct answer: Bleaching powder

Bleaching powder is used as a bleaching agent because it releases chlorine or active chlorine in suitable conditions. This active chlorine oxidises many coloured substances, reducing or removing their colour from cloth and wood pulp. Sodium chloride is common salt, ammonium chloride is used in several laboratory and industrial applications, and gypsum is a calcium sulfate mineral. Therefore only option A matches this use.

Related tags

Bleaching PowderBleachingUses Of SaltsAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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