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Post-UTME Chemistry 2012 Objective — Question 1

Question 1 of 11 from the Post-UTME Screening (Post-UTME) Chemistry 2012 Objective paper, with the correct answer and a full explanation.

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A brand of ink containing cobalt(II) and copper(II) ions can be separated into its various components by

  • A. fractional crystallization
  • B. fractional distillation
  • C. sublimation
  • D. chromatographyCorrect

Explanation

Chromatography separates different coloured/dissolved components of a mixture like ink based on differing mobility. (No printed answer key for this session; answer worked out independently.)

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