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The alkali left in solution during the chlor-alkali process is useful in which industry?

Answer and explanation

Correct answer: Soap making

The chlor-alkali process electrolyses brine, or concentrated sodium chloride solution, and produces chlorine, hydrogen, and sodium hydroxide (NaOH). The alkali left in solution is sodium hydroxide, which is used in making soaps and detergents, paper, and other chemicals. Therefore, option A is correct. The other choices describe no standard industrial use of sodium hydroxide in this context.

Related tags

Sodium-HydroxideChlor-AlkaliSoap-IndustryClass10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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