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10.4 The Haber process and the use of NPK fertilisers

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Question 8

A technician checks the operating log for an ammonia reactor.

The log contains one incorrect operating condition.

SettingEntry in the log
catalystiron
temperature450 ∘C450\ ^\circ\text{C}450 ∘C
pressure20 atmospheres

Give the setting that is incorrect and the value it should have.

[2]
Markscheme

10.4 The Haber process and the use of NPK fertilisers Questions

  1. GCSE
  2. /Chemistry
  3. /10.4 The Haber process and the use of NPK fertilisers

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.

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