SC-613
Chromatography
Lower Sec Science · Secondary 1 · Hard · Chromatography
A scientist uses paper chromatography to separate coloured dyes in a food colouring. One dye remains at the starting line after the solvent has moved up the paper. What is the most likely reason?
- The dye is insoluble in the solvent used
- The dye is more dense than the solvent
- The dye has completely evaporated
- The paper has absorbed all the dye permanently
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