Medium
In the extraction of iron,the reaction which occurs at $900-1500 \ K$ in the blast furnace is:
- A$Fe_2O_3 + 3C \rightarrow 2Fe + 3CO$
- B$FeO + CO \rightarrow Fe + CO_2$
- C$3Fe_2O_3 + CO \rightarrow 2Fe_3O_4 + CO_2$
- D$Fe_3O_4 + 4CO \rightarrow 3Fe + 4CO_2$
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Similar Questions
Suggest a condition under which magnesium could reduce alumina. The two equations are:
$(a)$ $\frac{4}{3} Al + O_2 \rightarrow \frac{2}{3} Al_2O_3$
$(b)$ $2 Mg + O_2 \rightarrow 2 MgO$
$(a)$ $\frac{4}{3} Al + O_2 \rightarrow \frac{2}{3} Al_2O_3$
$(b)$ $2 Mg + O_2 \rightarrow 2 MgO$
Medium
View SolutionExtraction of copper from copper pyrites is done by heating in a blast furnace. On which principle is this method based?
Medium
View SolutionThe reduction of $Al$ oxide cannot be carried out by chemical reactions because .....
Medium
View SolutionDuring the electrolytic reduction of alumina,the reaction at the cathode is:
Which one of the following is used as an acid flux in metallurgy?
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