The table shows the mass of some substances released by a petrol car and a diesel car in real driving tests.
| Car | Carbon monoxide (g per km) | Oxides of nitrogen (g per km) | Particulates (g per km) | Carbon dioxide (g per km) |
|---|---|---|---|---|
| Petrol | 0.50 | 0.04 | 0.001 | 140 |
| Diesel | 0.20 | 0.25 | 0.004 | 120 |
A city council is considering replacing petrol cars with diesel cars.
Which statement is supported by the data?
Switching to diesel cars would reduce acid rain caused by the cars.
Switching to diesel cars would reduce the cars' contribution to global warming but increase their contribution to acid rain and global dimming.
Diesel cars release less of every substance in the table than petrol cars.
Petrol cars release more of every substance in the table except particulates.
109 exam-style questions on OCR GCSE Chemistry 6.3 Interpreting and interacting with earth systems, covering 6.3.1 Formation and evolution of the atmosphere, 6.3.2 The greenhouse effect and climate change, 6.3.3 Sources and problems of atmospheric pollutants, and 6.3.4 Producing potable water. Each one has a worked solution and a mark scheme showing where the marks go.