Question

what are olfactory indicators? how are the tests of acid base done using them​

Answer 1

Answer:

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Ans: An olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution.

Olfactory indicators are based on the sensation of smell to identify the nature of the substance.

Some examples of olfactory indicators are onion, clove oil, vanilla extract, etc.

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Answer 2

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.

Simply put, olfactory indicators are substances which have a different odour in acid and base solutions. For eg: Vanilla extract has a characteristic pleasant smell, onion and clove oil, etc.These type of indicators are used in laboratories to check whether a given solution is a basic or an acidic solution by a process known as olfactory titration.

• There are certain substances whose odour (smell)changes in acidic or basic solutions. These substances are called olfactory indicators.

• The olfactory indicators have a characteristics odour.

• This odour in olfactory indicators is changed in acidic or basic solution and helps us in detecting whether a given sample solutions is acidic or basic in nature.