Which two compounds would be used to make an NPK fertiliser?
- Aammonium sulfate and potassium phosphate
- Bcalcium hydroxide and ammonium nitrate
- Ccalcium phosphate and potassium chloride
- Dpotassium nitrate and ammonium sulfate
Chemistry 0620 · IGCSE · Fertilisers
Which two compounds would be used to make an NPK fertiliser?