SC-912
Chromatography
Lower Sec Science · Secondary 1 · Medium · Chromatography
A chromatogram of food colouring Y shows three separate spots at different heights above the start line.
What does this tell you about food colouring Y?
What does this tell you about food colouring Y?
- It is a mixture of three different dyes.
- It is a pure substance with one dye only.
- It is an element made of three atoms.
- It cannot be separated by chromatography.
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