Question

What are olfactory indicators??​

Answer 1

Answer:

An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution. Olfactory indicators can be used in the laboratory to test whether a solution is a base or an acid, a process called olfactory titration.

Answer 2

An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution .

❥ E.g - Vanilla and onion