Question

How is paper chromatography being used to separate the colours of black ink

Answer 1

Chromatography is a technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.

Get a glass with water and use strips of filter paper and drop a pinch of ink on the paper dip the paper in the water only the tip and the paper should be straight .

-to separate colors in dye 

-to separate drug and blood