Table shows the world production of ammonia between 1990 and 2020.
Table: The world production of ammonia in millions of tonnes per year between 1990 and 2020
| Year | World production of ammonia in millions of tonnes per year |
|---|---|
| 1990 | 90 |
| 2000 | 110 |
| 2010 | 140 |
| 2020 | 180 |
Use Table to calculate the increase in the world production of ammonia between 1990 and 2020.
Use Table to describe how the world production of ammonia changed between 1990 and 2020.
Name the compound that is manufactured in the Haber process.
Give one use of the ammonia made in the Haber process.
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.