Magnetite is
A
Fe<sub>2</sub>O<sub>3</sub><br>
B
Fe<sub>3</sub>O<sub>4</sub>
C
FeCO<sub>3</sub><br>
D
2Fe<sub>2</sub>O<sub>3</sub>. 3H<sub>2</sub>O
Correct Answer: Fe<sub>3</sub>O<sub>4</sub>
Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe₃O₄.