what are universal indicator.. ?
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universal indicators
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.
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.
kimmieV:
thank u so much
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A Universal Indicator is defined as a mixture having many indicators of wide pH range. To obtain universal indicators, many indicators are mixed( though it behave as a single indicator) so that they can have a change in color over a wider pH range.
Kolthoff is a universal indicator
Kolthoff is a universal indicator
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