Question

what changes you can see when phenolphthalein indictor
is used in acidic and basic solution?
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Answer 1

Answer:

Phenolphthalein undergoes a colour change according to the pH of the solution. It is colourless in acidic and neutral medium whereas it changes it's colour to pink in basic medium.

Explanation:

PLZ MARK AS BRAINLIEST

Answer 2

Answer:

Hi there!

When phenolphthalein indicator is used  in acidic solution it remains colorless. When phenolphthalein indicator is used in a basic solution it changes to pink.