Question

D. Define these terms. 1. Indicators ?​

Answer 1

Answer:

An indicator is a substance that changes its color in acidic and basic medium..

Answer 2

Indicators are those substances which tell us whether a substance is acidic or basic by change in colour.

• The three most common indicators to test for acids and bases are:

1. Litmus
2. Methyl orange
3. Phenolphthalein.