Multiple Choice
Smelting of iron ore involves ________________.
A) washing the ore with acid to extract iron
B) heating beyond iron's melting point and combining the material with carbon
C) dissolving the ore in hot water to separate iron and aluminum
D) crushing and heating the ore to its melting point
E) oxidizing iron to ferric oxide and then adding silicon and boron
Correct Answer:
Verified
Correct Answer:
Verified
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