Production & Use of Fertilisers (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Primary use of ammonia from Haber Process
Primary use of ammonia from Haber Process
Manufacture of fertilisers
Definition of fertilisers
Definition of fertilisers
Chemical mixtures that enhance crop growth
NPK stands for
NPK stands for
Nitrogen, Phosphorus, Potassium
Most effective type of fertiliser
Most effective type of fertiliser
NPK fertiliser
Why are N, P, and K in fertilisers?
Why are N, P, and K in fertilisers?
Essential for plant growth
Two products made from ammonia for fertilisers
Two products made from ammonia for fertilisers
Ammonium salts and nitric acid
Example of ammonium salt in fertilisers
Example of ammonium salt in fertilisers
Ammonium nitrate
Raw material mined for phosphorus
Raw material mined for phosphorus
Phosphate rock
Raw materials mined for potassium (2)
Raw materials mined for potassium (2)
Potassium chloride and potassium sulphate
Can phosphate rock be used directly?
Can phosphate rock be used directly?
No, cannot be used directly
Treatment needed for phosphate rock
Treatment needed for phosphate rock
Treated with nitric acid
Product of treating phosphate rock with nitric acid
Product of treating phosphate rock with nitric acid
Soluble salt
Use of soluble salt from phosphate rock
Use of soluble salt from phosphate rock
Incorporated into fertilisers
Main benefit of NPK fertilisers
Main benefit of NPK fertilisers
Significantly boost crop yields