Question

what are olfactory indicator? give example​

Answer 1

Answer:

Olfactory indicator

There are certain substances whose odour (smell)changes in acidic or basic solutions. These substances are called olfactory indicators.

The olfactory indicators have a characteristics odour.

This odour in olfactory indicators is changed in acidic or basic solution and helps us in detecting whether a given sample solutions is acidic or basic in nature.

Explanation:

Hope this will help you

Answer 2

substances which give different odours in acidic and basic medium are called olfactory indicators.

Explanation:

Example:onion juice, vanilla essence, clove oil, etc;