MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryMetallurgyPrevious Year Questions
The magnetite ore is (AIPMT 2007)
A.ferrous oxide
B.Ferric oxide
C.Ferric hydroxide
D.Ferroso-ferric oxide✓ Correct
Explanation
Magnetite is one of the main ores of iron. Its chemical composition is 3 4 Fe O .Ferroso ferric oxide is an oxide of iron and magnetite exists naturally in this form with the chemical composition 2 3 FeO.Fe O . Therefore, the correct answer is option (d) ferroso ferric oxide.
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