Question:
Which of the following properties is used in the olfactory indicator?
Which of the following properties is used in the olfactory indicator?
Updated On: Apr 5, 2025
- Colour change
- Odour
- Taste
- None of these
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The Correct Option is B
Solution and Explanation
Correct answer: Odour
Explanation:
An olfactory indicator is a substance whose odour changes in acidic or basic solutions. This change in smell is used to detect whether a substance is acidic or basic.
Common olfactory indicators include:
- Onion extract
- Clove oil
- Vanilla essence
These substances have a characteristic smell that either fades or changes in acidic or basic environments.
Hence, the correct answer is: Odour.
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