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A student suggests identifying an acidic solution by taste. Why is this suggestion unacceptable in the laboratory?

Answer and explanation

Correct answer: Many acids are harmful and indicators are safer

Laboratory safety requires that chemicals must never be tasted because even a small quantity of an acid may be corrosive, poisonous, or contaminated. The correct approach is to use an indicator, pH paper, or an instrument under proper supervision. Therefore option A is correct. Acids may have tastes, but taste cannot safely or accurately identify them; indicators can be used for both acidic and basic solutions.

Related tags

Laboratory SafetyAcid IdentificationIndicatorsAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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