Question

Three solutions R, S and T have their pH values 2.8 , 6 and 13

State which one of these is a

(i) Strong alkali

(ii) Strong acid

(iii) Weak acid​

Answer 1

(i) Strong alkali - solution T with pH = 13

(ii) Strong acid - solution R with pH = 2.8

(iii) Weak acid - solution S with pH = 6