Which of the following set of substances contain acids?
(a) Grapes, lime water
(b) Vinegar, soap
(c) Curd, milk of magnesia
(d) Curd, vinegar

Academic Chemistry NCERT Class 7

Correct Answer: (d) Curd, vinegar

Explanation: Curd and vinegar contain lactic acid and acetic acid respectively.

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Updated on: 01-Feb-2023

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