Question
Which of the following is an acid-base indicator?
Answer: Option C
:
C
An indicator is a substance which indicates if a substance is acidic or basic. Turmeric is a natural acid-base indicator which is yellow in colour. It remains yellow in an acidic solution and turns to reddish brown in a basic solution.
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:
C
An indicator is a substance which indicates if a substance is acidic or basic. Turmeric is a natural acid-base indicator which is yellow in colour. It remains yellow in an acidic solution and turns to reddish brown in a basic solution.
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