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1. |
Which of the following order is correct regarding the oxides of iron starting from metallic iron to gaseous oxygen interface? |
A. | FeO, Fe2O3, and Fe3O4 |
B. | Fe2O3, Fe3O4 and FeO |
C. | Fe3O4, Fe2O3, and FeO |
D. | FeO, Fe3O4, and Fe2O3 |
Answer» E. | |