Chromatography

Question 1

How should chromatography be completed after putting a spot of each food colouring on the paper?

Answer 1

-Pour some solvent into a beaker

-Place the paper in the solvent so that the food colourings are above the level of solvent

Question 2

What can you deduce about a food colouring if it doesn’t move up the paper

Answer 2

It can’t dissolve in the solvent.