What is difference between internal and external indicator?
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Indicators in which one of the reactants behaves as an indicator is known as an internal indicator. KMnO4 is an example of an internal indicator. Indicators that are added externally and which do not exist in the reactants are known as an external indicator. Methyl orange is an example of an external indicator.
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Indicators in which one of the reactants behaves as an indicator is known as an internal indicator. KMnO4 is an example of an internal indicator. Indicators that are added externally and which do not exist in the reactants are known as an external indicator. Methyl orange is an example of an external indicator.
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