SC-847
Chromatography
Lower Sec Science · Secondary 1 · Easy · Chromatography
A food scientist uses paper chromatography to test four sweets (P, Q, R and S) for a banned blue dye. The chromatogram shows that only sweet Q has a spot at the same height as the banned blue dye. Which sweets should be banned?
- Q only
- P and Q only
- Q and R only
- P, Q, R and S
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