Question

What are olfactory indicator?Explain with example ?in short note​

Answer 1

Answer:

Explanation:

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

Olfactory indicators are one type of indicators which tells us whether something is acidic or basic in nature by giving out a characteristic smell.

Example: 1. Take an onion and put some solution over it.

2. If it gives it characteristics smell then the solution is acidic but if it gives no smell then the solution was basic in nature.

Conclusion: Olfactory indicators tells whether it is acidic or basic in nature by giving out characteristic smell.

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Reference:

Examples of Olfactory indicators: Onion, vanilla essence and clove oil.