Learning objective
Recall that phosphate rock is obtained by mining but cannot be used directly as a fertiliser. (Chemistry only)
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
The Haber process and the use of NPK fertilisers
Subtopic
Production and uses of NPK fertilisers
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Understand this objective
Quick explanation
Recall that phosphate rock is obtained by mining but cannot be used directly as a fertiliser. (Chemistry only)
- This point belongs to The Haber process and the use of NPK fertilisers, especially Production and uses of NPK fertilisers.
- You need to be able to recall that phosphate rock is obtained by mining but cannot be used directly as a fertiliser. (Chemistry only).
- The key ideas to know are chemistry only, phosphate rock, and mining.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Production and uses of NPK fertilisers to exam-style questions, flashcards, and revision notes for The Haber process and the use of NPK fertilisers.
Quick student answer
What should you know about phosphate rock is obtained by mining but cannot be used directly as a fertiliser. (Chemistry only)?
Direct answer
In Chemistry, this page helps you answer questions about phosphate rock is obtained by mining but cannot be used directly as a fertiliser. (Chemistry only) within The Haber process and the use of NPK fertilisers. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are phosphate rock and mining.
Key terms
- phosphate rock: A naturally occurring mineral that is mined but cannot be used directly as a fertiliser.
- mining: The process of extracting minerals or other geological materials from the earth, such as phosphate rock.
Common trap
Phosphate Rock Usage: Remember that phosphate rock must be treated to produce soluble salts before it can be used as a fertiliser.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe the Haber process as the industrial manufacture of ammonia. (Chemistry only)
The Haber process
- Explain that ammonia can be used to make nitrogen-based fertilisers. (Chemistry only)
The Haber process
- Recall nitrogen and hydrogen as the raw materials for the Haber process. (Chemistry only)
The Haber process
- Recall air as a source of nitrogen for the Haber process. (Chemistry only)
The Haber process
- Recall methane or natural gas and steam as a source of hydrogen for the Haber process. (Chemistry only)
The Haber process
