Question

What is an universal indicator?​

Answer 1

Answer:

Universal indicators are a mixture of organic dyes that give different colours at different concentrations of hydrogen ions in solution.

example: ph paper or solution.

Answer 2

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A universal indicator is a pH indicator made of a solution of several compounds that exhibits several smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions. ... Experiments with Yamada's universal indicator are also described in the Journal of Chemical Education.

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