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← ScienceWhich electrochemical outcome occurs when aluminum oxide forms?
A)Corrosion resistance increases significantly✓
B)Electrical conductivity sharply increases
C)Reduction potential becomes less negative
D)Cathodic areas become more susceptible
💡 Explanation
Corrosion resistance increases due to passivation via formation of aluminum oxide through ionic bonding; this creates a barrier, therefore protecting underlying metal, rather than causing increased conductivity under normal atmospheric corrosion conditions.
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