SC-624
Chromatography
Lower Sec Science · Secondary 1 · Hard · Chromatography
A food dye is separated using paper chromatography. Two students use the same dye but obtain different chromatograms. Which reason best explains the different results?
- They used different solvents for the chromatography.
- One student used a longer strip of paper.
- One student placed more dye on the starting line.
- The same solvent rose at a different speed on the paper.
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