Science, asked by krishnanandrav7676, 5 months ago

Phenolphthalein indicator truns pink colour

Answers

Answered by annarajeshjohn

Phenolphthalein is usually colorless but ranges from pink to purple when exposed to alkaline solutions. Phenolphthalein turns pink when exposed to substances above a pH of 8.2- and becomes purple at even higher pH values.

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