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Question

A universal indicator can detect what range of pH values?

A
0 - 7
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B
0 - 14
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C
4 - 10
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D
7 - 14
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Solution

The correct option is B 0 - 14
A universal indicator is a mixture of pH indicators which change colour and hence can indicate a wide range of pH (0 - 14) values, sometimes over the entire pH scale.

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