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Match the principle given in Group I with corresponding corrosion terminology...

This question belongs to Metallurgical Engineering Electrometallurgy And Corrosion
Electrometallurgy and Corrosion
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Match the principle given in Group I with corresponding corrosion terminology in Group II.
Group I Group II
P. Electrode polarization 1. Dezincification
Q. Passivity 2. Intergranular attack
R. Selective leaching 3. Over voltage
S. Grain boundary precipitation 4. Surface oxide film

Answer & Solution
Correct Answer: Option A
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