Some metals are extracted from their ores after some preliminary treatments by electrolysis (L), some of both processes (TL). Which set-up in the following for the extraction of ion, copper and aluminium is correct?
-
A.
lron (L), copper (L) aluminium (T) -
B.
lron (T) copper (L) aluminium (T) -
C.
lron (TL) copper (TL) aluminium (TL) -
D.
Iron (L) copper (T) aluminium (T) -
E.
lron (T) copper (L), aluminium (TL)