Question

Write the difference between indicators and olfactory indicators brainly

Answer 1

Answer:

1. The Indicators are complex substances that acquire separate colour in acidic and basic medium.
2. The Olfactory indicators are those substance whose now changes in acidic or basic medium.

Examples:

1. Litmus indicator is a natural coloring substance obtained from certain lichens on dissolving in distilled water.
2. Onion Vanilla and Clove oil are some Olfactory indicators onion has a characteristic smell. Whenq basic solution like sodium hydroxide solution is added to a strip of cloth treated with onion, its smell can't be detected.

Answer 2

Answer:

indicator--- the substance which is tell us either the substance is acdic or basic by change its colour

eg..... litmus paper

olfactory indicator ------ the substance which is tell us either the substance is acdic or basic by change its colour ,test and smell

eg.... turmeric powder, clove and onion

Explanation:

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