Question

Write a short note on pH. [3 MARKS]

Answer 1

Each point: 1 Mark

1. The pH is the measure of how acidic or basic is an aqueous solution.
2. It is measured in terms of hydrogen ion concentration in the solution.
3. The pH values range from 0 to 14. The values less than 7 represent an acidic solution, above 7 indicate a basic solution and 7 is neutral.