Question detail
What is the process of crystallisation used for?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
- A. Separating dissolved solids from a solution
- B. Separating gases from liquids
- C. Combining two elements to form a compound
- D. Removing impurities from a solid
Answer
The correct option is Separating dissolved solids from a solution.
Explanation
The correct option is Separating dissolved solids from a solution. Separating dissolved solids from a solution is correct because it directly supports the approved learning objective to describe crystallisation as a separation technique for dissolved solids. This is tested in the subtopic Mixtures within A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, so the reasoning must stay within AQA GCSE Chemistry 8462 Unit 4.1. The other options are weaker because they either confuse a nearby Chemistry concept, use the wrong subtopic context, or do not answer Mixtures precisely. Repair marker 62ccea95 keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Misunderstanding Crystallisation
Students often think that crystallisation can separate all types of mixtures, not just those with dissolved solids.
Remember that crystallisation specifically applies to separating dissolved solids from a solution, not all mixtures.
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