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CAIE IGCSE Chemistry 10.2.1 Ammonium salts & nitrates are used

Practise recognising ammonium salts and nitrates as fertilisers, including uses of ammonium sulfate, ammonium nitrate and ammonia.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • state that ammonium sulfate or ammonium nitrate is used as a fertiliser
  • identify ammonia as a starting chemical for fertiliser manufacture
  • choose the correct statement linking sulfuric acid reacting with ammonia to a fertiliser

10.2.1—Ammonium salts and nitrates are used question 1

[Maximum number: 1]

The Haber process is used to manufacture ammonia.

Ammonia reacts with an acid to form ammonium sulfate, (NH4)2SO4\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}.

State one use of ammonium sulfate.

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