Question

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

Answer 1

Answer:

Indicators are substances that show a distinct change (colour or odour) simultaneous to a change in concentration of ions such as H+ and OH- ions. Examples: Methyl orange, phenolphthalein and litmus solution

Explanation:

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Answer 2

Answer:

An indicator is a substance that changes its color in acidic and basic medium. An indicator shows one color in an acidic medium and different colors in a basic medium so that they are called indicators. There are different types of indicators: Litmus paper, Turmeric, Methyl orange.