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What is the main use of the bleaching substance formed by the reaction of sodium hydroxide and chlorine?

Answer and explanation

Correct answer: Bleaching in textile and paper industries

Cold, dilute chlorine reacts with sodium hydroxide to produce sodium hypochlorite: Cl₂ + 2NaOH → NaCl + NaOCl + H₂O. Hypochlorite is a bleaching and disinfecting substance, so it is used to remove colour from materials such as textiles and paper. Option A is correct. It does not sweeten food, convert metals into gold, or acidify drinking water.

Related tags

ChlorineSodium HypochloriteBleachingAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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