SC-730
Chromatography
Lower Sec Science · Secondary 1 · Hard · Chromatography
A student separates coloured inks using paper chromatography with water as the solvent. Which statement about the components is correct?
- An ink that gives one spot is a pure substance
- An ink that gives three spots is a pure substance
- An ink that gives one spot must be a mixture
- All inks that move with the solvent are mixtures
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