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JAMB Chemistry 1995 Question 1

Question 1

Separation of Mixtures

Chromatography is used to separate components of mixtures which differ in their rates of

  1. A.diffusion
  2. B.migration
  3. C.reaction
  4. D.sedimentation
Show the answer and explanation

Answer: B (migration)

Explanation

In chromatography the solvent carries each component along the paper or column at its own speed. Components separate because they migrate at different rates.