What do you mean by Olfactory indicators ?
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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. ... Simply put, olfactory indicators are substances which have a different odour in acid and base solutions. For eg: Vanilla extract has a characteristic pleasant smell, onion and clove oil, etc.
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What are olfactory indicators and name them?
Those substances whose smell (or odour) changes in acidic or basic solution are called olfactory indicators. Onion and vanilla extract are two examples of olfactory indicators.
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nhii bhai hi thk hai
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