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If the pH value is less than 7, what is the nature of the solution?

Answer and explanation

Correct answer: Acidic

At about 25 °C, the pH scale classifies aqueous solutions: pH 7 is neutral, values below 7 are acidic, and values above 7 are basic or alkaline. A pH below 7 indicates a relatively higher concentration of hydrogen ions than in a neutral solution. Therefore the solution is acidic. Option B describes pH above 7, option C corresponds approximately to pH 7, and option D is not a pH classification.

Related tags

PhAcidic SolutionAcid-Base ScaleIndicatorsAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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