A) Corrosion of iron can be minimized by forming a contact with another metal with a higher reduction potential
B) Iron corrodes in oxygen free water
C) Corrosion of iron can be minimized by forming an impermeable barrier at its surface
D) Iron corrodes more rapidly in salt water because its electrochemical potential is higher
Correct Answer: C
Solution :
[c] Corrosion of iron can be minimized by forming an impermeable barrier at its surface.
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