Four tests are carried out in a ceramic kiln using different fuels and oxygen supplies.
| Test | Elements in the fuel | Oxygen supply |
|---|---|---|
| J | carbon and hydrogen | plentiful |
| K | carbon, hydrogen and sulfur | plentiful |
| L | hydrogen only | limited |
| M | carbon and hydrogen | limited |
In which test is soot most likely to be produced?
Test M
Test J
Test K
Test L
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.