Corrosion due to the flow of the _________ between the cathodic and anodic areas is called as the electro chemical corrosion by evolution of hydrogen ad absorption of oxygen.
(a) Electron current
(b) Proton current
(c) Ion current
(d) Neutron current
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Question is from Types of Corrosion and Passivity in chapter Electro Chemical Cells and Corrosion of Applied Chemistry