Question

What do you mean by Olfactory indicators ??​

Answer 1

Explanation:

Olfactory indicators are those indicators that help to identify whether the given solution is acidic or basic by changing their smell instead of colour as the other indicators do. Olfactory indicators are based on the sensation of smell to identify the nature of the substance.

Answer 2

Answer:-

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

Additional information:-

Olfactory indicators can be used in the laboratory to test whether a solution is acid or base, a process called olfactory titration. onion, clove oil and vanilla extracts are examples.