Question

what is an olfactory indicator? give two example.

Answer 1

Those substances whose odour changes in acid or basic median are called olfactory indicators

Answer 2

Olfactory indicator and its examples:

• An Olfactory indicator is a material whose smell varies reliant on whether it is mixed with an acidic or basic solution.  

• Olfactory indicators mainly used in the laboratory to test whether a solution is a base or an acid.  

• Onion, clove oil and vanilla extract are examples of some olfactory indicators.

Hope it helped..