Aluminum Is More Reactive Than Iron Is,but Iron Corrodes More

question 92

Multiple Choice

Aluminum is more reactive than iron is,but iron corrodes more quickly.This occurs because

• A)aluminum is reduced in the presence of oxygen while iron is oxidized.
• B)aluminum develops a coating of aluminum oxide, which protects it from further reaction.
• C)iron is exposed to both oxygen and water, while aluminum is rarely exposed to water.
• D)iron has a lower density than aluminum does.

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