SC-777
Chromatography
Lower Sec Science · Secondary 1 · Medium · Chromatography
A student places a drop of purple dye at the start line of a chromatography paper and runs the experiment. At the end, two separate spots, red and blue, appear higher up the paper. What can be concluded about the purple dye?
- It is a pure substance.
- It is a mixture of at least two dyes.
- It is insoluble in the solvent.
- It has a fixed boiling point.
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