Paper Chromatography

Chromatography works if all the substances in the mixture _______________ in one solvent.

• does not dissolve

• dissolve

• is insoluble

• none of the above

The pattern formed on the chromatography by the layers of components separated by chromatography is called

• distillate

• chromatogram

• components

• compounds

3. A In paper chromatography, the MOST soluble solute.......

• a) does not move from the start point

• b) stays closest to the start point

• c) travels furthest away from the start point

• d) can be found in the middle of the chromatogram

Why must the base line be drawn in pencil and not pen?

• a) Pencil lead is good at keeping substances in place.

• b) Pencil lead is soluble in water.

• c) Pencil lead is not coloured.

• d) Pencil lead is insoluble in water.

Chromatography depends upon the different ________________ of the substances in a solvent.

• a) density

• b) solubility

• c) malleability

• d) ductility