When a drawing of a circle made in the center of a piece of paper with a black marker gets wet, the marker bleeds, and as the water moves through the paper the ink separates into several colors. What method of separation does this describe?

This describes chromatography. As water moves through the paper, it carries the marker’s different pigments at different speeds, separating them into several colors. Filtration separates solids from liquids, while distillation and evaporation rely on changes of state.

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