Although Aluminum Is a Moderately Reactive Metal, It Can Be

Multiple Choice

Although aluminum is a moderately reactive metal, it can be regarded as unreactive in everyday use because a layer of aluminum oxide coats the surface and prevents further oxidation. This is an example of

A) anodic inhibition.
B) cathodic inhibition.
C) galvanization.
D) cathodic protection.
E) anodic protection.