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kotykmax [81]
3 years ago
11

An acid base indicator is a dye that is:

Chemistry
1 answer:
-BARSIC- [3]3 years ago
3 0

<u>Answer:</u> The correct answer is Option d.

<u>Explanation:</u>

An indicator is defined as the substance which shows the presence of acid or a base in a solution. They change their color accordingly.

Acid-base indicators are usually weak acids or weak bases. They change their color in the solution with change in the pH.

<u>For Example:</u> Phenolphthalein is an acid-base indicator which remains colorless in acidic solution and changes its color to pink when added to basic solution.

Hence, the correct answer is Option d.

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