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19 July, 14:43

Will acids turn phenolophthalein indicator pink

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  1. 19 July, 16:36
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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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