Some metals are extracted from their ores after some prel...
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?
lron (L), copper (L) aluminium (T)
lron (T) copper (L) aluminium (T)
lron (TL) copper (TL) aluminium (TL)
Iron (L) copper (T) aluminium (T)
lron (T) copper (L), aluminium (TL)
Correct answer is E
No explanation has been provided for this answer.
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