Chemistry Medium css fpsc ppsc

Which indicator is colourless in acidic solution and pink in alkaline solution?

  • A Litmus
  • B Methyl orange
  • C Universal indicator
  • D Phenolphthalein
Correct Answer: Option D — Phenolphthalein
Explanation:
Phenolphthalein is colourless in acidic and neutral solutions but turns pink to magenta in alkaline solutions and is commonly used as an ind...
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MCQ Details
SubjectChemistry
DifficultyMedium
Exam Typescss, fpsc, ppsc
CorrectOption D
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