Q. 94.4( 5 Votes )

Which of the following set of substances contain acids?
A. Grapes, lime water

B. Vinegar, soap

C. Curd, milk of magnesia

D. Curd, vinegar

Answer :

Curd and vinegar both are sour in nature and hence are acidic. Curd contains lactic acid while vinegar contains acetic acid.

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