what Is chromatography ?What are its uses?

Explanation

Chromatography : Chromatography Is a laboratory technique for the separation of mixtures Into Its Individual components. Uses:
I) Used to separate components ink and dyes.
2) Used to separate the coloured pigments In plants
3) Used to determine the chemical composition of many substances.
4) used in crime scene Investigations.
5) Used in hospitals to detect alcohol levels in a patient 'blood stream.
6) Used by environmental agencies to detect the level of pollutants in water supplies.
7) Used by pharmacists to determine the amount of each chemical found in each product.