The magnetic oxide of iron is

If the following are kept in closed vessels at over 400^@C , what would happen to them hydrogen and magnetic oxide of iron ?

Deposits of magnetic oxide iron ore is called

The magnetic moment of an iron compound is 5.918 BM, then the oxidation state of iron in this compound will be

An important oxide ore if iron is

Magnetite is an oxide ore of iron with the formula .........

Rust is a hydrated oxide of iron which is