This question is about fertilisers.
Ammonium phosphate is a fertiliser containing nitrogen and phosphorus. Complete the sentence choosing from the options below:
hydrochloric acid** \quad \quad nitric acid \quad \quad **phosphoric acid
Ammonium phosphate is produced by reacting ammonia with _________________
Ammonium phosphate fertiliser is sold in 35 kg35\text{ kg}35 kg drums.
A commercial greenhouse manager treats a growing area of 14,000 m214,000\text{ m}^214,000 m2 using 181818 drums of ammonium phosphate.
Calculate the mass of ammonium phosphate fertiliser spread per m2\text{m}^2m2 of growing area.
The chemical formula for ammonium phosphate is (NH4)3PO4(\text{NH}_4)_3\text{PO}_4(NH4)3PO4.
How many atoms of hydrogen (H\text{H}H) are in one formula unit of (NH4)3PO4(\text{NH}_4)_3\text{PO}_4(NH4)3PO4?
8 exam-style questions on AQA GCSE Chemistry 10.4 The Haber process and the use of NPK fertilisers, covering 10.4.1 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.