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If pH is less than 7 but not very close to zero, what is the most balanced conclusion about the solution?

Answer and explanation

Correct answer: The solution is acidic but not necessarily highly corrosive

The pH scale expresses hydrogen-ion concentration: pH 7 is neutral, and values below 7 indicate acidity. A value below 7 but far from zero shows an acidic solution, yet pH alone does not prove that it is highly corrosive; concentration and the substance’s properties also matter. Therefore option A is the most careful conclusion. Options B, C, and D contradict the meaning of an acidic pH.

Related tags

Ph ScaleAcidityCorrosivenessAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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