Chemistrymedium · Past Paper
Which of the following is an example of an olfactory indicator?
ALitmus
BOnion juice
CPhenolphthalein
DMethyl orange
✓ Correct Answer: B — Onion juice
Olfactory indicators change their smell in acidic or basic media. Onion and clove oil are common examples.
Share this question
More from Chemistry
- What is the chemical formula for Ammonia?
- How many grams of Oxygen are needed to burn 12g of Magnesium completely? (Mg=24, O=16)
- The process of zone refining is based on the principle of:
- Which metal is used in the manufacture of aircraft bodies because of its lightness?
- What is the bond angle in a methane molecule?