The thermite reaction may be used to obtain iron from iron(III) oxide. The equation for this reaction is shown below. $2\text{Al} + \text{Fe}_2\text{O}_3 \rightarrow 2\text{Fe} + \text{Al}_2\text{O}_3$ Which of the following statements about this reaction are correct?
- A1 and 3
- B1 and 4
- C2 and 3
- D3 and 4