Question

Depending on the properties of the components, there can be different ways to separate a

mixture. The technique of chromatography is used to separate mixtures that have different

solubility.

A student uses chromatography to examine a set of four dyes used as food colours. The images

below show the beginning and the end of the experiment.

Which one of the dyes E, G and H is not a mixture?

a. E

b. G

c. H

d. Cannot be determined through the above experiment
​

Answer 1

the answer is

b) G is not a mixture.