Why does aluminum (Al) metal not undergo corrosion like iron does? A) Al does not easily react with oxygen. B) Fe gives cathodic protection to Al. C) A protective layer of Al₂O₃ forms on the surface of Al. D) Al is more difficult to oxidize than Fe. E) An electrical circuit cannot be completed on a surface of Al.
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
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