A fertiliser factory is planning the supplies it needs to manufacture ammonia by the Haber process.
Which pair of sources supplies the two gases that react in the Haber process?
Natural gas and ammonia
Ammonia and nitric acid
Air and nitric acid
Air and natural gas
71 exam-style questions on AQA GCSE Chemistry 10.4 The Haber process and the use of NPK fertilisers, covering 10.4.1a The Haber process, 10.4.1b Equilibrium and rate in the Haber process, and 10.4.2 Production and uses of NPK fertilisers. Each one has a worked solution and a mark scheme showing where the marks go.