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Why is it wrong to identify an acid or base by taste in the laboratory?

Answer and explanation

Correct answer: They may be harmful, and indicators are safer.

The governing principle is laboratory safety: an unknown chemical must never be tasted. Acids and bases may be corrosive, poisonous, contaminated, or dangerous even in small amounts, and taste cannot reliably identify concentration or pH. Indicators, pH paper, or suitable instruments provide safer evidence without direct contact. Therefore A is correct. Taste does not give an exact pH, not all acids or bases are edible, and indicators are specifically useful for testing acidic or basic nature.

Related tags

Lab SafetyIndicatorsAcid BaseAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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