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Sodium hydroxide is used in which of the following industries?

Answer and explanation

Correct answer: Soap and paper industry

Sodium hydroxide is a strong industrial alkali with several important applications. It is used in soap manufacture through saponification and in the paper industry during pulping and chemical processing. Hence option A is correct. The words “only” in options B and C make them false, while option D is poorly formed and does not identify a valid principal industrial use. The broad, established answer is soap and paper production.

Related tags

Sodium-HydroxideSoap-IndustryPaper-IndustryIndustrial-AlkaliAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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