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What nature is shown by violet colour of universal indicator?

Answer and explanation

Correct answer: Strongly basic

The universal indicator scale changes towards violet as pH becomes very high. A high pH means the solution is strongly basic, with a relatively high hydroxide-ion concentration compared with hydrogen ions. Therefore option C is correct. Acidic solutions occur at the low-pH, red end of the scale, and a neutral solution is near pH 7 and green, so neither A, B, nor D fits violet.

Related tags

Universal IndicatorStrong BaseHigh PhAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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