The chief ore of iron is - A. Fe3O4 B. FeCO3 C. Fe2O3 D. None of t

1.	The chief ore of iron is - A. Fe3O4 B. FeCO3 C. Fe2O3 D. None of these.
Answer» Correct Answer is: C. Fe₂O₃ Ferruginous rock containing one or more minerals from which metallic iron may be profitably extracted. The chief ores of iron consist mainly of the oxides: hematite, Fe₂O3; goethite, alpha -FeO (OH); magnetite, Fe₃O₄; and the carbonate, siderite FeCO₃.

The chief ore of iron is - A. Fe3O4 B. FeCO3 C. Fe2O3 D. None of these.

Answer»

Correct Answer is: C. Fe₂O₃

Ferruginous rock containing one or more minerals from which metallic iron may be profitably extracted. The chief ores of iron consist mainly of the oxides: hematite, Fe₂O3; goethite, alpha -FeO (OH); magnetite, Fe₃O₄; and the carbonate, siderite FeCO₃.

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The chief ore of iron is - A. Fe3O4 B. FeCO3 C. Fe2O3 D. None of these.

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