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CBSE Class 10 Answered

what is olfactory indicators with eg
Asked by Rony Joseph | 28 Jul, 2013, 05:00: PM
Expert Answer
Those substances whose smell changes in acidic or basic solutions are called olfactory indicators. For eg: Vanilla extract has a characteristic pleasant smell. An acidic solution does not destroy the smell of vanilla extract. A basic solution destroys the smell of vanilla extract.
Answered by | 29 Jul, 2013, 10:03: AM

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