Filter paper strip and din
periment appears as in the d
dips the stin
the diagram,
after
• CHAPTER 10
11 Alex puts a drop of ink on a line
solvent. After half an hour his experiment.
before
chromatography
paper
separated
pigments
black ink
spot
a) What separation process is Alex using?
b) Which pigment in the ink has moved fastest up
ves faster than the other.
c) State two reasons why one pigment moves faster than th
12 Iniko has set up this apparatus and applied heat to it.
delivery tube