Chemistry 0620 · IGCSE · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

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

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