Write the process of Separation of dyes in black ink using chromatography.
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1.Take a thin strip of filter paper.
2.Draw a line on it using a pencil approx. 3 cm above the lower edge.
3.Put a small drop of ink with help of a pen at centre of line and let it dry.
4.Lower the filter paper into a glass jar containing water in such a way that the ink's drop remains just above the water level. Leave it undisturbed.
5.Water rises up in the filter paper. Ink drop splits up into its constituents.
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