Aluminum Does Not Corrode as Does Iron, Because

question 105

Multiple Choice

Aluminum does not corrode as does iron, 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) Fe gives cathodic protection to Al.
• E) the electrical circuit cannot be completed on an Al surface.

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