SC-824
Chromatography
Lower Sec Science · Secondary 1 · Hard · Chromatography
A mixture of blue and green food dyes is spotted on filter paper and placed in water for chromatography. After some time, the blue dye has moved 4.0 cm from the start line while the green dye has moved 2.0 cm. What can be concluded about the dyes?
- The blue dye is more soluble in the solvent than the green dye.
- The green dye is more soluble in the solvent than the blue dye.
- The blue dye is present in a larger amount than the green dye.
- The green dye is insoluble in the solvent.
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