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To separate the different colours from a ink pen using paper chromatography.

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1. 200 ml beaker
2. 3 textures ( brown, black, purple)
3.pencil
4. ruler
5. salt sultion
6. straw
7. filter paper

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1. Grab brown, black and purple marker, a pencil, ruler, 200 ml beaker and salt solution.
2. Pour salt solution from 2 cm in the 200 ml beaker.
3. Get 1 of the filter paper and draw a pencil line 3 cm off the bottom.
4. draw a line over the pencil line using any colour of the marker.
5. Let it dry and repeat it twice after.
6.  Mark each paper with a, c and u.
7. Put all the filter papers on the straw.
8. carefully place the straw on top of the 200 ml beaker.
9. Let the magic happen and wait until the colour goes all the way to the top.

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We can separate the inks from 3 different black felt-tip pens be separated from