Question detail
What is ammonia primarily used for in agriculture?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The Haber process and the use of NPK fertilisers
Question
- A. As a pesticide
- B. To make nitrogen-based fertilisers
- C. To improve soil pH
- D. As a herbicide
Answer
The correct option is To make nitrogen-based fertilisers. This answer is correct because it matches the approved learning objective to explain that ammonia can be used to make nitrogen-based fertilisers. (Chemistry only) in the subtopic The Haber process.
Explanation
The correct option is To make nitrogen-based fertilisers. To make nitrogen-based fertilisers is correct because it directly supports the approved learning objective to explain that ammonia can be used to make nitrogen-based fertilisers. (Chemistry only). This belongs to the subtopic The Haber process within The Haber process and the use of NPK fertilisers, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from The Haber process.
Common mistake
Misunderstanding Ammonia's Role
Students often confuse ammonia with nitrogen-based fertilisers, thinking they are the same.
Ammonia is a raw material used to produce nitrogen-based fertilisers, but they are not the same substance.
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