What are olfactory indicators ? Give examples
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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:
Olfactory indicators :-
♥ Indicators giving different odours in acidic and basic medium are called olfactory indicators
E.g - Vanilla , onion & Clove
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