Question

what is olfactory indicator how it works?​

Answer 1

Explanation:

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. Onion , clove oil and vanilla extract are examples

Answer 2

Answer:

olfactory indicator is depending on those substance whose odour or smell changes

ex

onion

vanilla essence etc