Four different food colourings are separated by chromatography. Their outcomes are displayed on the chromatogram. The diagram is not drawn to scale. Which food colouring contains a component with an $R_f$ value of $0.3$?
- AA
- BB
- CC
- DD
Chemistry 0620 · IGCSE · Chromatography
Four different food colourings are separated by chromatography. Their outcomes are displayed on the chromatogram. The diagram is not drawn to scale. Which food colouring contains a component with an $R_f$ value of $0.3$?