Paper 2 H - SAMPLE SET 1 Q8
8) Fertilisers are used to improve agricultural productivity.
8.1) Ammonium nitrate is used in fertilisers.
Name the two compounds used to manufacture ammonium nitrate. [1 mark]
8.2) A fertiliser contains the following information on the label:
8.1) Ammonium nitrate is used in fertilisers.
Name the two compounds used to manufacture ammonium nitrate. [1 mark]
8.2) A fertiliser contains the following information on the label:
NPK value = 14 : 11 : 11
Explain why this information is useful to farmers. [2 marks]
8.3) Figure 8 shows worldwide ammonia production and world population from 1950 to 2010.
Use Figure 8 and your knowledge to explain the relationship between ammonia production and world population. [3 marks]
(Total for Question 8 = 6 marks)
(Total for Question 8 = 6 marks)