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 |
A. P-3, Q-4, R-1, S-2
B. P-3, Q-4, R-2, S-1
C. P-4, Q-2, R-1, S-3
D. P-2, Q-1, R-4, S-3
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Electrometallurgy And Corrosion
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