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10.4 The Haber process and the use of NPK fertilisers

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Question 20
H

The hydrogen for the Haber process is made by reacting methane with steam: CH4+H2O⇌CO+3H2\text{CH}_4 + \text{H}_2\text{O} \rightleftharpoons \text{CO} + 3\text{H}_2CH4​+H2​O⇌CO+3H2​. Which is a sustainability disadvantage of obtaining hydrogen in this way?

[1]
A

Carbon monoxide is produced, which can be converted into carbon dioxide

B

Methane is a finite resource that is obtained from natural gas

C

Steam must be produced by heating water to a high temperature

D

The reaction is reversible, so some of the methane is not used up

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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