Question

what is an acid-base indicator give one example-​

Answer 1

Those substances which change their colors in acid and base are called acid-base indicators for example litmus solution,methyl red, methyl orange and beetroot etc.

Answer 2

Answer:

Acid-base indicators are special substances that are used to detect the acidity or basicity of  other substances. The change in color of the indicators helps us in understanding which substance is  acidic and which one is basic.

Example: Litmus paper is a natural acid-base indicator.