Why phenolphthalein is considered acid base indicator
Why phenolphthalein is considered acid base indicator?
Answer: It is because phenolphthalein turns pink in basic solution whereas it remains unaffected in acid or neutral solutions. It is able to differentiate between acid (colouless) and base (pink colour).
Answer: It is because phenolphthalein turns pink in basic solution whereas it remains unaffected in acid or neutral solutions. It is able to differentiate between acid (colouless) and base (pink colour).
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