An orange drink concentrate is suspected to contain traces of poisonous green dye and a...

CHEMISTRY
WAEC 2004

An orange drink concentrate is suspected to contain traces of poisonous green dye and a harmless dye having the same boiling point. Which of the following techniques is most suitable for isolating the dyes?

  • A. Fractional distillation
  • B. Paper chromatography
  • C. Coagulation
  • D. Recrystallization

Correct Answer: B. Paper chromatography



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