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Between pH nine and pH thirteen, which solution will be more basic?

Answer and explanation

Correct answer: The solution with pH 13

The governing concept is the pH scale: a higher pH indicates a greater basic character, while a lower pH indicates greater acidity. Comparing the two values, 13 is higher than 9, so the pH 13 solution has lower hydrogen-ion concentration and is more basic. Therefore, option B is correct. Option A is less basic, option C incorrectly treats the values as equal, and option D is not justified.

Related tags

ScienceClass10Acids-Bases-SaltsPhBasicityAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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