Question

what are universal indicators ?​

Answer 1

Answer:

a mixture of dyes that changes colour gradually over a range of pH and is used (especially as indicator paper) in testing for acids and alkalis.

Answer 2

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what are universal indicators ?

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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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