Chemistry 0620 · IGCSE · Fertilisers

Fertilisers — practice question

Which compound can be mixed with ammonium sulfate to produce an NPK fertiliser?

  • A$(\text{NH}_4)_3\text{PO}_4$
  • B$\text{KNO}_3$
  • C$\text{K}_3\text{PO}_4$
  • D$\text{CO(NH}_2)_2$

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