Chromatography is a technique for the separation of a mixture by passing it in solution through a medium in witch the components move in different rates.
Aim: to separate the colours from the skittles using chromatography.
Materials
1. 6 Skittles
2. Water
3. Petri dish
4. Beaker.
Process:
1. Get your equipment ready and pour 50ml's of water into the petri dish .
2. Place the skittles into the petri dish around the edges.
3. Pour water gently into the middle of the petri dish.
4. Watch as the water removes the dye from the skittles.
5. Record your results.
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