The most commonly used indicator in the laboratory is ___.

Litmus

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Universal Indicator

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Methyl Orange

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Phenolphthalein

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Solution

The correct option is B
Universal Indicator

The most commonly used indicator in the laboratory is universal indicator. A universal indicator is a pH indicator composed of a solution of several compounds that exhibits several smooth colour changes over a pH value range from 1-14 to indicate the acidity or alkalinity of solutions.

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Similar questions

The indicators which turn red in acid solution are :

(a) turmeric and litmus

(b) phenolphthalein and methyl orange

(d) phenolphthalein and litmus

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