Question

what do u means by PH indicator in chemistry

Answer 1

A pH indicator or acid-base indicator is acompound that changes color in solutionover a narrow range of pH values. Only a small amount of indicator compound is needed to produce a visible color change. When used as a dilute solution, a pH indicator does not have a significant impact on the acidity or alkalinity of a chemical solution.

Answer 2

ph scale we can measure which is acid and which is base which is strong base and acid we can identify low base and low acid