State the effect of olfactory indicators on acid and base
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Explanation:
An olfactory indicator works on the principle that when an acid or base is added to it,then different odour can be detected in bases whereas odour remains same in acids. Certain substances changes odour in acidic or basic medium
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Olfactory indicators can be used in the laboratory to test whether a solution is a base or an acid, a process called olfactory titration.
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