May/June 2026 Paper 21

2026 · 40 questions · 40 parts · 40 marks

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18Nitrogen Sulfur Industrial ProcessesMedium1 mark
Four statements about the Haber process and the Contact process are listed.
  1. 1
    Both processes are carried out at 200 kPa.
  2. 2
    Both processes are carried out at 450 C.
  3. 3
    Both processes use a reactant that is extracted from air.
  4. 4
    Both processes use iron as a catalyst.
Which two statements are correct?