Passivity of iron is due to formation of:

CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals

Problem

Passivity of iron is due to formation of: (1) Fe2O3\mathrm{Fe_2O_3} (2) Fe3O4\mathrm{Fe_3O_4} (3) FeSO4\mathrm{FeSO_4} (4) None of these

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