Lions undergo reduction, Olons undergo oxidation
11. AP ions are attracted to the
negative electrode on the
bottom, O2 ions are attracted to
the positive electrode on the top.
III. Electric current is added
IV. Oxygen and carbon from
graphite form carbon dioxide,
pure aluminum on the bottom is
collected
V. Bauxite is added to molten
cryolite in a tank with graphite
electrodes
A. I, II, II, IV, V
OB. I, II, III, V, IV
C. IV, V, III,
OD. V, III, IV