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What is pH?

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What is pH?

(a) –ve log of H+ concentration

(b) +ve log of H+ concentration

(c) Log of H+ concentration

(d) H+ concentration

The question was asked during an online exam.

I want to ask this question from Drugs Absorption topic in division Absorption of Drugs of Drug Biotechnology

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Right answer is (a) –ve log of H+ concentration

To explain I would say: pH is a scale used to measure how much acidic or basic a solution is. PH is logarithmic and negative of the 10-base logarithm of the molar concentration of the hydrogen ions present.

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