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23 November, 17:46

Will acids turn phenolophthalein indicator pink

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  1. 23 November, 18:00
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    The acids DO NOT return the pink phenolphthalein indicator. Phenolphthalein in acidic solutions remains colorless but in basic solutions takes a pink color. Phenolphthalein is a weak acid. The indicator changes color, it can be magenta or pink with a pH value of 10.
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