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Which of the following statements is correct?
pH values are logarithmic values of hydrogen/hydronium ion concentration.
pH scale was discovered by Soren Sorensen in 1909.
pH value range from 0-14, 0 being the most alkali and 14 being the least alkali.
pH of less than 0 values does not exist.
pH values are negative logarithmic values of hydrogen or hydronium ion concentration. It was derived by Soren Sorensen in 1909 and has a range from 0-14. 0 being most acidic and 14 being most basic. However, there can be materials where pH of less than 0 exists e.g. 12 molar HCl acid. Hence, A, C and D are incorrect statements and the correct answer is B.
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