SC-659
Chromatography
Lower Sec Science · Secondary 1 · Easy · Chromatography
A chromatography experiment is carried out on a green ink using water as the solvent. After some time, a yellow spot and a blue spot appear on the paper. What can you conclude about the green ink?
- It is a mixture of yellow and blue dyes
- It is a pure yellow dye
- It is a pure blue dye
- It contains no dyes at all
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