Question

what is an acid-base indicator ?Give one example .

Answer 1

Answer:

Those substances which change their colors in acid and base are called acid-base indicators for example litmus solution,methyl red, methyl orange and beetroot etc.

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Answer 2

Answer:

Acid - Base indicators (also known as pH indicators) are substances which change colour with pH.

Examples of acid-base indicators include litmus paper, phenolphthalein, and red cabbage juice.