The diagram below represents a paper chromatograph for three brands of juices suspected to contain banned food colourings
![diagram on paper chromatography](https://www.easyelimu.com/images/form_3_past_papers/Term_1_2021/diagram_on_paper_chromatography.JPG)
The result showed presence of banned food colourings in L and M only
- On the diagram
- Circle the spots which show the banned colourings
- Show the solvent front
- On the same diagram indicate and label the baseline