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10.4 The Haber process and the use of NPK fertilisers

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Question 13
F

The nitrogen and hydrogen are purified before they enter the reactor. Why is this done?

[1]
A

Impurities could make the reaction reversible

B

Impurities could lower the pressure in the reactor

C

Impurities could cool the gases before they react

D

Impurities could stop the iron catalyst working

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

39 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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