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MCQ
Which of the following statements about the pH scale is correct?
Unit-10 Acids Bases and Salts
A Each unit change in pH represents a 10-fold change in H+ ion concentration
B Each unit change in pH represents a 2-fold change
C pH of 0 represents maximum basicity
D pH of 14 represents maximum acidity
Explanation

The pH scale is logarithmic, so one unit change represents a ten-fold change in H+ concentration.

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