Question

The pH values of five solutions A, B, C, D and E are given below:

A	1
B	5
C	7
D	11
E	13

Which solution is (i) weakly alkaline (ii) neutral (iii) strongly acidic (iv) strongly alkaline, and (v) weakly acidic?

Answer 1

(i) Solution D, with a pH value of 11, is weakly alkaline.

(ii) Solution C, with a pH value of 7, is neutral.

(iii) Solution A, with a pH value of 1, is strongly acidic.

(iv) Solution E, with a pH value of 13, is strongly alkaline.

(v) Solution B, with a pH value of 5, is weakly acidic.