Chromatography

distillation

filtration

chromatography

sedimentation

Pigments from natural colours

Colours in a dye

Colours of flowers extracts

All the above

chromatography paper

water

beaker

dye

a) Dot moves to the top of the paper

b) Dot does not move at all

c) Dot moves to the left or right

d) Dot moves down to the bottom of the paper

Dye 1

Dye 2

Dye 3

All have the same Rf value

P only

S only

P and S

P and X

All three dyes

None of the dyes

Dye 1 and Dye 2

Dye 1 and Dye 3

Dye 2 and Dye 3

chromatography paper

water

beaker

dye

does not move from the start point

stays closest to the start point

travels furthest away from the start point

can be found in the middle of the chromatogram

It separates those solutes that dissolve in the same solvent.

It separates those solutes that dissolve in different solvents.

It separates a solute that dissolves in a solid solvent.

It separates gaseous solutes from liquid solvents.