Chemistry, asked by rselvarani46, 7 months ago

indicators define (small answers)

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Answered by ridishpreet
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Explanation:

a substance used in titrations to indicate the completion of a chemical reaction, usually by a change of colour. a substance, such as litmus, that indicates the presence of an acid or alkali.

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Answered by palak4959
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Answer:

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.

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