Two fuels are burned. Fuel J releases sulfur dioxide and fuel K does not. Both fuels release carbon monoxide. What can be concluded about the two fuels?
Only fuel J contains carbon, and both fuels contain sulfur
Only fuel K contains carbon, and only fuel J has sulfur
Both fuels contain carbon, and only fuel J contains sulfur
Both fuels contain sulfur, and only fuel K contains carbon
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.