Which of the given substance is an acid/base indicator:

turmeric

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baking soda

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vinegar

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common salt

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Solution

The correct option is A turmeric
Turmeric is an acid-base indicator which gives yellow colour in acid and red colour in basic medium.

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Similar questions

Acid-base Indicators are substances which show whether the substance is basic or acidic.

Write answers the following questions.

(a) Explain the difference between acids and bases.

(b) Why does an indicator not affect common salt?

(d) Explain the difference between a base and an alkali.

Assertion: Phenolphthalein is an acid-base indicator.
Reason: In an acid-base titration, this indicator is used.

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