aim: to separate colours by using the processing of chromatography
Definition: chromatography is a method of separating out materials from a mixture using liquid
Materials:
1. boiling tube
2. pen marker
3. Water
4.: filter paper
5. scissors.
6. Test tube stand
7.Ruler
8. pencil
Process
Step 1. Cut up fliter paper into strips ready to write on with felt pens
Step 2. Rule a line 1cm from the bottom of the paper strip
Step 3. put 8ml of water into the bottom of the boling tube
Step 4. Draw two coloured pen dots on the pencil line
Step 5. Drop paper strip into the boling tube and once its touching the bottom of the water you can crease the top of the paper over.
defntions:
caplillary :
Flitter paper:
solvent:
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