what is olfactory indicator how it works?
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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
suyashprakash03:
how it works
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olfactory indicator is depending on those substance whose odour or smell changes
ex
onion
vanilla essence etc
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