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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Pure conc. HNO3 makes iron passive as the surface is covered with protective layer of (a) Fe2O3 (b) FeO (c) Fe3O4 (d) Fe(N)3)3

Pure conc. HNO3 makes iron passive as the surface is covered with protective layer of (a) Fe2O3 (b) FeO (c) Fe3O4 (d) Fe(N)3)3

Pure conc. HNO3 makes iron passive as the surface is covered with protective layer of (a) Fe2O3 (b) FeO (c) Fe3O4 (d) Fe(N)3)3