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How is the acid present in lemon juice different from the acid present in curd?

Answer and explanation

Correct answer: Lemon has citric acid and curd has lactic acid

The question tests examples of naturally occurring acids. Lemon juice contains citric acid, which contributes to the sour taste of citrus fruits. Curd contains lactic acid, formed during the conversion of milk sugar by beneficial bacteria. Therefore option A correctly matches each food with its characteristic acid. Options B reverses the examples, while hydrochloric acid and sulphuric acid are not the normal acids responsible for these foods’ sourness.

Related tags

Natural AcidsCitric AcidLactic AcidAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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