Aluminum Does Not Corrode in the Same Manner as Iron

question 71

Multiple Choice

Aluminum does not corrode in the same manner as iron does, because

• A) aluminum does not react with oxygen gas.
• B) a protective layer of aluminum oxide forms on the metal surface.
• C) aluminum is harder to oxidize than iron.
• D) iron gives cathodic protection to aluminum.
• E) the electrical circuit cannot be completed on an aluminum surface.

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