Question

Define acid base indicator​

Answer 1

Answer:

A substance which detects the acidic or basic nature of another substance by change in colour is called acid-base indicator. It is not advisable to taste any substance in laboratory because it can be harmful. Hence, acid-base indicators are used to check if a given substance is acid or base.

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Answer 2

Answer:

Acid–base indicators are generally weak protolytes that change color in solution according to the pH.

Examples: Litmus paper

Explanation:

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