Define olfactory indicator. name tow substance which can be used as olfactory indicator.
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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.
Eg. Of olfactory indicater are :vanilla and onion
Eg. Of olfactory indicater are :vanilla and onion
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Answer: The indicators that have different odours in acids and bases are called olfactory indicators.
For example Onion, Clove oil ect.
Explanation:
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