NPK Fertilisers - K-containing Compound

Chemistry: AQA GCSE Higher, topic 10.4.9

Potassium-Containing Compounds in Fertilisers

There are 2 main soluble sources of potassium that can be used as fertilisers in their raw form. Both of these soluble sources are extracted using mining.

Potassium chloride

Potassium chloride

Potassium sulfate

Potassium sulfate

Test yourself on NPK Fertilisers - K-containing Compound

  • What are the 2 main soluble sources of potassium?

  • How are potassium chloride and potassium sulfate sourced?

  • Are potassium chloride and potassium sulfate soluble or insoluble?

  • Select the correct statement about potassium-containing fertilisers

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