SC-732
Chromatography
Lower Sec Science · Secondary 1 · Medium · Chromatography
A student separates coloured inks using paper chromatography with water as the solvent. Which statement about the dyes is correct?
- A pure dye produces one spot on the paper
- A pure dye produces two spots on the paper
- A mixture produces only one spot on the paper
- A mixture always stays at the starting line
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