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

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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
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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 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
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