Question

what is olfactory indicators with ex.​

Answer 1

Oilfactory indicators are those substance which are use to the acidic or basic nature of a substance using smell.

For E.X - Onion.

Answer 2

$\huge \bold{Hello\:Mateyy}$

$\huge \texttt {Your\:Answer;}$Those indicators which change their odour when dipped in acidic solution or basic solution.

Eg :- Chooped onion , vanilla escence & clove oil.

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