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A universal indicator is best described as

Question
A universal indicator is best described as
A single dye
A mixture of several indicators
Only litmus solution
Only phenolphthalein solution
Answer
A mixture of several indicators
Detailed Explanation
A universal indicator is a mixture of several indicators, showing different colours at different pH values.
Litmus, the natural indicator, is extracted from Science · Acids, Bases and Salts Turmeric, a natural indicator, turns which colour in the presence of a base Science · Acids, Bases and Salts Which of the following is a synthetic indicator Science · Acids, Bases and Salts Blue litmus paper turns which colour in an acid Science · Acids, Bases and Salts

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