Chemistry 5070 · O Level · Fertilisers

Fertilisers — practice question

Certain compounds that contain nitrogen are used as fertilisers. The table lists some compounds containing nitrogen, whether or not they are used as fertilisers and a reason for each. Which row is correct?

  • Aaqueous ammonia, $\text{NH}_3(aq)$; yes; lowers the pH of the soil
  • Bammonium carbonate, $(\text{NH}_4)_2\text{CO}_3$; no; is insoluble in water
  • Cammonium chloride, $\text{NH}_4\text{Cl}$; yes; is made from the products of the Haber process and the Contact process
  • Dammonium nitrate, $\text{NH}_4\text{NO}_3$; yes; is soluble in water

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI