8.3 Chromatography — Visual & Photo Quiz

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Questions count: 1
Passing grade: B+

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Look at the paper chromatogram of black food dye showing multiple colored spots traveling up the paper strip. Why do different dye components separate at different heights?

Dyes have different solubilities in the moving solvent and different attractions to the stationary paper

Heavier colors sink to the bottom while lighter colors fly away

The solvent chemically destroys black dye into new elements

Only red dye is able to dissolve in water