JEE Main 10 April 2016 Paper

Section: Chemistry

Question : 47 of 90

Marks: +1, -0

Identify the correct statement :

[Main 10 Apr 2016]

Iron corrodes in oxygen-free water.
Iron corrodes more rapidly in saltwater because its electrochemical potential is higher.
Corrosion of iron can be minimized by forming a contact with another metal with a higher reduction potential.
Corrosion of iron can be minimized by forming an impermeable barrier at its surface.

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