Question

Which property of a substance can be determined using a pH indicator?

Answer 1

The nature and the level of acidity or the level of alkalinity is obtained by testing different solutions with the oH paper.

Answer 2

Hi !

The acidic or the basic nature of a substance can be determined using a pH indicator.

If the pH indicator , shows a pH value less than 7 , the substance is acidic.
Lower the pH , high is the acidic nature.

If pH indicator , shows a pH value more than 7 , the substance is basic.
Higher the pH , high is the acidic nature.