SC-611
Chromatography
Lower Sec Science · Secondary 1 · Medium · Chromatography
A food scientist wants to check if a black food dye is a single dye or a mixture of dyes. Which separation method should she use and what result would show it is a mixture?
- Filtration; one black spot forms on the paper
- Chromatography; several coloured spots form on the paper
- Distillation; several liquids are collected
- Evaporation; black crystals remain in the dish
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