Question

Another ex for olfactory indicators in daily life use?

Answer 1

Answer:

Onion , clove oil and vanilla extract are examples

Answer 2

Explanation:

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. They lose their smell with bases but not with acids.

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