1.

Formula of magnetite is

A.  \[F{{e}_{2}}{{O}_{3}}\]                    
B.  \[F{{e}_{{}}}{{S}_{2}}\]
C.  \[FeC{{O}_{3}}\]             
D.         \[F{{e}_{3}}{{O}_{4}}\]  
Answer» E.


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