A glasshouse heater burns a fuel containing carbon and sulfur. The air inlet to the heater is partly blocked.
The fuel is replaced by one containing carbon but no sulfur. The air inlet remains partly blocked.
Explain why replacing the fuel should reduce acid rain but may not remove the risk of respiratory problems.
102 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.