Which reaction does not take place during the extraction of iron from hematite in a blast furnace?
- A$\text{C} + \text{O}_2 \rightarrow \text{CO}_2$
- B$\text{CaO} + \text{SiO}_2 \rightarrow \text{CaSiO}_3$
- C$\text{CO}_2 + \text{C} \rightarrow 2\text{CO}$
- D$4\text{Fe} + 3\text{O}_2 \rightarrow 2\text{Fe}_2\text{O}_3$