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 40 kg40\text{ kg}40 kg bags.
A commercial grower spreads 120120120 bags of ammonium phosphate fertiliser on a horticultural plot with an area of 15,000 m215,000\text{ m}^215,000 m2.
Calculate the mass of ammonium phosphate fertiliser spread per m2\text{m}^2m2 of land.
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.