Question

WRITE SHORT NOTES INDICATORS​

Answer 1

Answer:

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

Explanation:

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Answer 2

An indicator is a substance which changes color in the presence of acids or alkalis. In the laboratory, we use three indicators. These are litmus, phenolphthalein and methyl orange. Many red or blue colored flowers contain natural dyes which can be used as indicators.

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Indicators | Notes, Videos, QA and.

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