Question

What are olfactory indicators?​

Answer 1

Answer:

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.

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Answer 2

Answer:

the ol factory indicators are the indicators whose smell or odour changes in acidic or basic solutions. eg-onion,vanila