• 1. Crush some green leaves in a mortar using a pestle.
• 2. Add propanone or ethanol as you continue crushing the leaves
• 3.Decant the extract into a beaker.
• 4. Using a dropper place one drop of the extract at the centre of the filter paper and allow it to spread as far as possible.
• 5. Add a second and third drop at the same spot. Each time allow the extract to spread as far as possible.
• 6. Once the spot of the extract has stopped spreading, add the solvent dropwise each time allowing the solvent to spread.
• 7. Continue adding the solvent until it spreads out close to the edge of the filter paper

Question

1. To which colours does green extract from green leaves separate into?

2. What if fountain pen ink is used?

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