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