Question

define indicator. Name two indicators obtained from plants. Give two
examples for olfactory indicators.​

Answer 1

Answer:

define indicator

Indicators are substances whose solutions change color due to changes in pH. ... They are usually weak acids or bases, but their conjugate base or acid forms have different colors due to differences in their absorption spectra.

Name two indicators obtained from plants

litmus and turmeric.

Give two  examples for olfactory indicators.​

Onion , clove oil and vanilla extract are examples.

Answer 2

Answer:

Clove and Onion

Explanation:

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