A) \[F{{e}_{2}}{{O}_{3}}\]
B) \[F{{e}_{3}}{{O}_{4}}\]
C) \[FeC{{O}_{3}}\]
D) \[2F{{e}_{2}}{{O}_{3}}.3{{H}_{2}}O\]
Correct Answer: B
Solution :
Magnetite is a mineral, one of the two common naturally occurring iron oxides (chemical formula\[F{{e}_{3}}{{O}_{4}}\]). It is the most magnetic of all the naturally occurring minerals on Earth. The chemical IUPAC name of magnetite is iron oxide and the common chemical name is ferrous-ferric oxide
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