Q: 85 (NDA-II/2010)

Which among the following statements with regard to pH scale is/are correct?
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
question_subject: 
Science
stats: 
0,112,104,24,112,80,0