MCQ
Which of the following is acid$-$base indicator?
- AGinger
- ✓Turmeric
- CClove
- DNone of these
✓
Answer
Correct option: B.
Turmeric
Turmeric is a naturally occurring yellow colour compound. It is an acid$-$base indicator, turmeric compound remains yellow when acid or neutral solutions are added to it. When basic solutions such as sodium hydroxide are added to it, the solution turns pinkish$-$red.
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