Question

8
Oxides of elements X and Y were dissolved in water. The solution of
element X oxide was pH 13, that of element Y oxide was pH 11.
a Describe how to test the pH of a solution.​

Answer 1

The pH value can be measured using electrochemical measuring systems, litmus paper, or indicators and colorimeters. The easiest way to take a pH measurement is to use litmus paper or a colorimeter. The advantage of this type of pH measurement is that the pH range is well known and they are easy to apply.