Chemistry 0620 · IGCSE · Fertilisers

Fertilisers — practice question

NPK fertilisers are blends of salts that are used to enhance plant growth. Which salt could be used as one ingredient in an NPK fertiliser?

  • Asodium nitrate
  • Baluminium sulfate
  • Cmagnesium chloride
  • Dcalcium ethanoate

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