question_answer

      Which   among   the   following   statements   with regard   to   pH   scale   is/are   correct? [NDA]

I. It is a logarithmic scale.

II. The scale is limited to 0-14 because the ionic product of water is about \[{{10}^{-14}}\]

III. The lower the value of pH, the greater is the acidity of the solution.

Select the correct answer using the code given below

A) I and II only

B) I, II and III

C) I and III only

D) II only