WAEC Chemistry 2011 Objective — Question 41
Question 41 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.
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Which of the following separation techniques would show that black ink is a mixture of chemical compounds?
- A. A. Crystallization
- B. B. ChromatographyCorrect
- C. C. Filtration
- D. D. Sublimation
Explanation
Black ink can be shown to be a mixture of different chemical compounds by chromatography, which separates coloured mixtures into their component substances.
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