Ink is a mixture too. It comes in various colors. Each ink color is a combination
of two or more dyes. What method is used in identifying the dyes in an ink?
a. filtration
b. distillation
c. decantation
d. chromatography
Only letter D, chromatography can only seperate color and pigments because it uses difference in degrees to which substance are absorbed on the surface of an inert substance.