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

Verified
Correct Answer:
Verified
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