4. Which of the following methods would you use for separating the pigments of an ink?
(a) Filtration
(b) Sublimation
(c) Distillation
(d) Paper chromatography
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Explanation:
Chromatography
Answer. Chromatography is a method for analyzing mixtures by separating them into the chemicals from which they are made. It can be used to separatemixtures like ink, blood, gasoline, and lipstick. In ink chromatography, you areseparating the colored pigments that make up the color of the pen.
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option (d)
paper chromatography
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