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Which option contains a group of acidic substances?

Answer and explanation

Correct answer: Lemon juice, vinegar and tamarind

The governing concept is that acids commonly occur in several natural food substances. Lemon juice contains citric acid, vinegar contains ethanoic acid, and tamarind contains organic acids such as tartaric acid. Therefore, option A is the only group in which all listed substances are acidic. The other groups contain soaps, hydroxides, carbonates, or antacids, which are basic or alkaline rather than acidic.

Related tags

Natural AcidsAcidic SubstancesClassificationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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