SC-917
Chromatography
Lower Sec Science · Secondary 1 · Hard · Chromatography
A dye mixture is spotted near the bottom of a strip of filter paper and placed in a beaker with a small amount of water as solvent. Which statement best explains why the dye spots must start above the water level in paper chromatography?
- Otherwise the dyes would dissolve into the solvent and not separate on the paper
- Otherwise the solvent would not rise up the paper
- Otherwise the dyes would move too quickly and all reach the top
- Otherwise the paper would not absorb any solvent
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