A) \[F{{e}_{2}}{{O}_{3}}\]
B) \[F{{e}_{3}}{{O}_{4}}\]
C) \[Fe{{S}_{2}}\]
D) \[FeC{{O}_{3}}\]
Correct Answer: D
Solution :
\[F{{e}_{2}}{{O}_{3}}\] ? Haematite \[F{{e}_{3}}{{O}_{4}}\] ? Magnetite \[Fe{{S}_{2}}\] ? Iron pyrites \[FeC{{O}_{3}}\] ? Siderite (spathic iron ore)
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