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Which substance is used for bleaching in the textile industry?

Answer and explanation

Correct answer: Bleaching powder

The governing concept is the bleaching action of chlorine-releasing compounds. Bleaching powder releases chlorine or active chlorine in suitable conditions, and this oxidising action destroys or removes coloured substances from fibres. Thus it is used to whiten textiles and paper. Gypsum is mainly used in plaster and cement, sodium chloride is common salt, and copper sulphate is not the standard textile bleaching agent. Therefore option A is correct.

Related tags

Bleaching PowderTextile IndustryChlorineAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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