B. Name the following.
1. A mixture of a number of indicators that shows different colours in different solutions
over the whole of pH range
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Answer:
A mixture of a number of indicators that shows different colours in different solutions over the whole of pH range
A universal indicator
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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.
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