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.