Question

swer the following in short
What do you understand by indicators?व्हाट डू यू अंडरस्टैंड बाय इंडिकेटर्स ​

Answer 1

Answer:

Indicators are substances whose solution change colour due to changes in ph. These are called acid-base indicators. These are usually weak acids or bases but their conjucate base or acid forms have different colours due to differences in their absorption spectra.

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