Chemistry · May / June 2024 · Paper 11 · Question 32
5070Fertilisers
NPK fertilisers are used to improve plant growth. A solid NPK fertiliser has the properties listed: ● water soluble ● has an aqueous solution with pH 7. Which substances are mixed to make a solid NPK fertiliser?
- Aammonium nitrate, potassium sulfate and phosphorus oxide
- Bammonium phosphate and potassium hydroxide
- Cammonium sulfate, calcium nitrate and sodium phosphate
- Dpotassium nitrate and sodium phosphate
As printed in the paper
Show the answer
Correct answer: D. potassium nitrate and sodium phosphate
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.