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.
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Answer:
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.
Explanation:
olfactory indicators are those indicators which indicates weather the substance is acidic or basic on the basis of smell.
ex : onion,vanilla extract,clove oli etc
when juice of onion is treated with base it gives pungent smell and when treated with acid tres is no smell at all