Fertilisers (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which three elements do NPK fertilisers provide to plants?
Which three elements do NPK fertilisers provide to plants?
Nitrogen, phosphorus, potassium
Why can't plants absorb nutrients directly from phosphate rocks?
Why can't plants absorb nutrients directly from phosphate rocks?
Phosphate rocks are insoluble
What is the chemical formula of the phosphate ion?
What is the chemical formula of the phosphate ion?
What must be done to phosphate rocks to make them usable by plants?
What must be done to phosphate rocks to make them usable by plants?
Treat them with acids
What product is formed when phosphoric acid reacts with ammonia?
What product is formed when phosphoric acid reacts with ammonia?
Ammonium phosphate
Why must fertiliser compounds be soluble?
Why must fertiliser compounds be soluble?
So they dissolve for spraying solutions
Which soluble compound can be used directly as a potassium fertiliser?
Which soluble compound can be used directly as a potassium fertiliser?
Potassium chloride ()
What is the purpose of the Haber process in fertiliser production?
What is the purpose of the Haber process in fertiliser production?
To make ammonia from nitrogen & hydrogen
Why is the integrated manufacturing process efficient?
Why is the integrated manufacturing process efficient?
Products become raw materials for next step