Question

What is Indicators?
Please answer.

Answer 1

Answer:

Indicators are sunstance used to test acid and base

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Answer 2

$\huge \bf{Indicators.}$

Indicators are the substances that change their colour or odour when added into an acid or an alkaline solution. Indicators can be classified in the following ways:-

1. Natural Indicators.

2. Synthetic Indicators.

3. Olfactory Indicators.

4. Universal Indicators.