Chemistry · Acids, Bases and Salts
Which of the following statements correctly describes the behaviour of a typical olfactory indicator like onion or vanilla extract?
- 1It evaporates completely only in a basic solution.
- 2It changes colour significantly in acidic and basic solutions.
- 3Its smell remains unchanged in both acidic and basic solutions.
- 4It loses its characteristic smell in a basic solution but retains it in an acidic solution.✓
Correct answer
It loses its characteristic smell in a basic solution but retains it in an acidic solution.
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