The indicator which produces a pink colour in an alkaline solution:(a) Methyl orange
(b) Turmeric paper
(c) Phenolphthalein
(d) Litmus paper


Correct Answer:(c) Phenolphthalein. 
Explanation: Phenolphthalein is pink in alkaline solution and colourless in acidic solution.

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Updated on: 10-Oct-2022

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