Question 1
HFigure shows air and fuel entering one cylinder of a car engine, and the exhaust gases leaving it.
Figure: Air and fuel entering one cylinder of a car engine, and the exhaust gases leaving it
a.[2]
The exhaust gases contain oxides of nitrogen. Explain how the oxides of nitrogen are formed inside the cylinder.
b.[1]
The same fuel is burned in pure oxygen instead of in air.
Explain why no oxides of nitrogen are formed.
9.3 Common atmospheric pollutants and their sources Questions
40 exam-style questions on AQA GCSE Chemistry 9.3 Common atmospheric pollutants and their sources, covering 9.3.1 Atmospheric pollutants from fuels and 9.3.2 Properties and effects of atmospheric pollutants. Each one has a worked solution and a mark scheme showing where the marks go.