Multiple Choice
Aluminum is an active metal, but does not corrode as iron does because
A) Al does not react with O2.
B) a protective layer of Al2O3 forms on the metal surface.
C) Al is harder to oxidize than is Fe.
D) the enthalpy of formation of aluminum oxide is negative.
E) aluminum has a high tensile strength.
Correct Answer:

Verified
Correct Answer:
Verified
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