Statement 1: Oxides of nitrogen form because the high temperature in an engine makes nitrogen and oxygen from the air react.
Statement 2: Carbon monoxide from car exhausts is a major cause of acid rain because it dissolves in rainwater.
Statement 3: Removing sulfur from diesel before it is sold reduces acid rain but does not reduce the emission of oxides of nitrogen.
Which statements are correct?
1 and 3 only
1 only
2 and 3 only
1, 2 and 3
130 exam-style questions on Edexcel GCSE Chemistry 9.1 Fuels, covering 9.1.1 Hydrocarbons and crude oil, 9.1.2 Fractional distillation of crude oil and its fractions, 9.1.3 The alkanes as a homologous series, 9.1.4 Complete and incomplete combustion, 9.1.5 Pollutants from burning fuels, 9.1.6 Hydrogen as a fuel and non-renewable fossil fuels, and 9.1.7 Cracking of larger alkanes. Each one has a worked solution and a mark scheme showing where the marks go.