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Answer each question and check where every mark went.
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Structured questions0 / 4
- 1
Question 1
Electrolysis — core concepts.
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10 marksOpen › - 2
Question 2
Electrolysis of aqueous solutions. A student electrolyses concentrated aqueous sodium chloride using inert graphite electrodes.
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10 marksOpen › - 3
Question 3
Extraction of aluminium. Aluminium is extracted from bauxite by electrolysis.
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10 marksOpen › - 4
Question 4
Copper purification and fuel cells. Copper is purified by electrolysis using an acidified copper(II) sulfate solution.
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10 marksOpen ›