Ammonium sulfate is used as a fertiliser. It is produced from ammonia and sulfuric acid. Which words correctly fill blanks 1, 2 and 3? The ......1...... is produced by the ......2...... process in which ......3...... is used as a catalyst.
- Aammonia / Contact / iron
- Bammonia / Haber / vanadium(V) oxide
- Csulfuric acid / Contact / vanadium(V) oxide
- Dsulfuric acid / Haber / iron