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Samuel Samuel Jan 12, 2021

Good afternoon.Anyone online here??Explain Universal indicator? ​

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yes good afternoon

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.

For example, "universal indicator" contains thymol blue, methyl red, bromothymol blue, thymol blue, and phenolphthalein. It covers a pH range from less than 3 (red) to greater than 11 (violet). Intermediate colors include orange/yellow (pH 3 to 6), green (pH 7 or neutral), and blue (pH 8 to 11).

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Balladolen Balladolen
Jan 12, 2021
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