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Production And Uses Of Npk Fertilisers (chemistry Only) (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Production And Uses Of Npk Fertilisers (chemistry Only)' from the broader topic Using Resources. The test is geared towards the AQA exam board style syllabus.
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During the Ostwald process for making nitric acid from ammonia, what is the initial gaseous oxidation product formed from ammonia over a platinum catalyst?
What is a simple laboratory test to show that a soil extract or fertiliser contains nitrate ions?
Which compound is commonly sold as a potassium fertiliser (K fertiliser) and is typically mined rather than chemically synthesised?
Which statement best describes how potassium chloride fertiliser is typically obtained?
Phosphorus fertilisers are commonly made by treating phosphate rock with sulfuric acid. What is the main soluble phosphate product called?
Which agricultural practice helps reduce nitrate leaching from fields after fertiliser application?
Which neutralisation step is used to make ammonium nitrate fertiliser industrially?
What is a primary reason farmers might choose a slow-release or coated nitrogen fertiliser over an immediate-release nitric/ammonium fertiliser?
Which of the following best describes a strategy to reduce environmental damage from phosphorus fertiliser runoff?
Why are some fertilisers described by N-P-K numbers but sold as a “blended” fertiliser rather than a single chemical compound?
Which common mined mineral is the usual primary source of potassium for K-containing fertilisers?