Question

give one example of acid-base indicators. ​

Answer 1

Explanation:

Examples of acid-base indicators include litmus paper, phenolphthalein, and red cabbage juice. An acid-base indicator is a weak acid or weak base that dissociates in water to yield the weak acid and its conjugate base or else the weak base and its conjugate acid. The species and its conjugate have different colors.

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Answer 2

Red cabbage can also be used as an acid base indicator