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ScienceCLASS 7CBSE

answered 27 Mar 2026

Phenolphthalein is a synthetic indicator, and its colours in acidic and basic solutions, respectively, are (a) red and blue. (b) blue and red. (c) pink and colourless. (d) colourless and pink

A.VERIFIED ANSWERfact-checked by tutors

Soln:

The answer is (d) colourless and pink

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