Paper 2 H - SAMPLE SET 1 Q1
1) Oxides of nitrogen are produced when fuels are burnt.
1.1) Write a balanced symbol equation for the production of nitrogen dioxide (NO2) from nitrogen and oxygen. [2 marks]
1.2) Figure 1 gives information about emissions of oxides of nitrogen in the UK.
1.1) Write a balanced symbol equation for the production of nitrogen dioxide (NO2) from nitrogen and oxygen. [2 marks]
1.2) Figure 1 gives information about emissions of oxides of nitrogen in the UK.
Calculate the percentage decrease in emissions of oxides of nitrogen from 1990 to 2014.
Give your answer to three significant figures. [3 marks]
Give your answer to three significant figures. [3 marks]
Percentage decrease = ___________ %
1.3) Give one advantage of reducing the emissions of oxides of nitrogen. [1 mark]
(Total for Question 1 = 6 marks)
(Total for Question 1 = 6 marks)