How Does The Universal Indicator Work? [Solved]

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How Does The Universal Indicator Work? [Solved]

Universal indicatorindicatorA pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH (acidity or basicity) of the solution can be determined visually. Hence, a pH indicator is a chemical detector for hydronium ions (H3O+) or hydrogen ions (H+) in the Arrhenius model.https://en.wikipedia.org › wiki › PH_indicatorpH indicator - Wikipedia is a brown-coloured solution—containing a mixture of indicators—that can be added to any substance to determine its pH. Like all indicators, universal indicator changes colour in different pH environments. At low pH, it appears red, and at high pH, it appears blue or violet.15 Sept 2014

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