Question 1
Question detail
What is the role of ammonia in the production of NPK fertilizers?
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. It acts as a catalyst
- B. It is a source of nitrogen
- C. It provides potassium
- D. It is a byproduct
Answer
The correct option is It is a source of nitrogen. This answer is correct because it matches the approved learning objective to explain that ammonia can be used to manufacture ammonium salts. (Chemistry only) in the subtopic Production and uses of NPK fertilisers.
Explanation
The correct option is It is a source of nitrogen. It is a source of nitrogen is correct because it directly supports the approved learning objective to explain that ammonia can be used to manufacture ammonium salts. (Chemistry only). This belongs to the subtopic Production and uses of NPK fertilisers 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 Production and uses of NPK fertilisers.
Common mistake
Confusing Ammonium Salts with Other Compounds
Students often confuse ammonium salts with other types of salts, thinking they are the same as sodium or potassium salts.
Remember that ammonium salts specifically contain the ammonium ion (NH4+) and are derived from ammonia. Focus on the unique properties and formation processes of ammonium salts.
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