Chemistry 0620 · IGCSE · Fertilisers

Fertilisers — practice question

Nitrogen, phosphorus and potassium are necessary elements for better plant growth. Which mixture supplies all three necessary elements?

  • Aammonium phosphate $(\text{NH}_4)_3\text{PO}_4$ + potassium chloride $\text{KCl}$
  • Bammonium phosphate $(\text{NH}_4)_3\text{PO}_4$ + ammonium nitrate $\text{NH}_4\text{NO}_3$
  • Cammonium phosphate $(\text{NH}_4)_3\text{PO}_4$ + ammonium chloride $\text{NH}_4\text{Cl}$
  • Dammonium nitrate $\text{NH}_4\text{NO}_3$ + potassium chloride $\text{KCl}$

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