Question

1. What is an indicator ? Name three indicators.​

Answer 1

Answer: a) An indicator is a 'dye' that changes colour when it is put in an acid or a base. The three most common indicators are: Litmus, Methyl orange and Phenolphthalein.

Explanation:

Answer 2

A substance that can be added to the reaction mixture to indicate the equivalence point of the titration. Colored indicators are often used to measure pH. These indicators are a different color in a basic environment than in an acidic environment.

The three indicators are:-

• Naturally Indicators
• Synthetic Indicators
• Olfactory Indicators