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The dyes present in fountain pen ink can be separated by the technique of :
(a) fractional distillation (b) infrared photography
(c) crystallisation (d) chromatography
Correct Answer: (d) chromatography
Explanation: Chromatography is the technique used to separate the contents of a mixture, where solute particles are in extremely small quantities. Hence, the dyes present in fountain pen ink can be separated by the technique of chromatography.
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