Question

What are olfactory indicators?give some examples.

Answer 1

olfactory indicators are those indicators whose smell varies depending on wether it is added. in acidic or basic solution.example onion,clove oil

Answer 2

Answer:

These are substances whose smell changes based on the solutions being either acidic or basic. They are olfactory indicators.

eg. Vanilla extract has a pleasant smell. thus, an acidic solution does not destroy this pleasant smell but a basic solution can.