Question detail
What is an ammonium salt, and how is it prepared in the laboratory?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
The Haber process and the use of NPK fertilisers
Question
What is an ammonium salt, and how is it prepared in the laboratory?
Answer
An ammonium salt is a compound formed when ammonia reacts with an acid. In the laboratory, it can be prepared by reacting ammonia solution with hydrochloric acid to produce ammonium chloride.
Explanation
A strong answer should directly address the approved learning objective to prepare an ammonium salt. (Chemistry only; AT 4). This question belongs to Production and uses of NPK fertilisers within The Haber process and the use of NPK fertilisers, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to chemistry only, and keeps the wording specific to AQA GCSE revision.
Common mistake
Common Mistake in Preparing Ammonium Salts
Students often confuse the preparation of ammonium salts with the preparation of other types of salts, leading to incorrect methods being used.
Focus on the specific reactants and conditions required for ammonium salt preparation, such as using ammonia and an appropriate acid.
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