Haematite is `Fe_2O_3` / `Fe_3O_4`.

Which of the following is magnetite? Fe_3O_4 , Fe_2O_3 , Fe_2O_3 3H_2O , Fe_2CO_3 .

T/F Rust is Fe_2O_3. xH_2O

In the preparation of iron from haematite (Fe_2O_3) by the reduction with carbon Fe_2O_3+C rarr Fe+CO_2 how much 80% pure iron may be produced from 120kg of 90% pure Fe_2 O_3 ?

Balance the following equations: Fe_2O_3+C rarr Fe+CO

Fill in the blanks In the reaction : Fe_2O_3 + 2Al rarr 2Fe + Al_2O_3, Fe_2O_3 is……………….. Agent.

W is the mass of iron (in g) which will be converted into Fe_(3)O_(4) by the action of 18 g of steam on it . What is the value of W/7 ? Fe+H_(2)O to Fe_(3)O_(4)+H_(2)

Equivalent mass of FeS_2 inthe half reaction, FeS_2 rarr Fe_2 O_3+SO_2 is :

Balance the following chemical equation: FeSO_4 rarr Fe_2O_3+SO_2+SO_3

Name the substance oxidised, reduced, oxidising agent, reducing agent in the following recations: Fe_2O_3 + 3CO rarr 2Fe + 3CO_2

2.0g of a sample contains mixture of SiO_2 and Fe_2O_3 . On very strong heating, it leaves a residue weighing 1.96 g . The reaction responsible for loss of mass is given below. Fe_2O_3(s)rarrFe_3o_4(s)+O_2(s) , (unbalance equation) what is the percentage by mass of SiO_2 in original sample ?