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4.4 Chemical changes
Quick questions on Electrolysis and the extraction of aluminium - AQA GCSE Chemistry
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Name the products at each electrode when molten sodium chloride is electrolysed. [2 marks]
What is q2?Show answer
Explain why cryolite is added when extracting aluminium. [1 mark]
What is q3?Show answer
Write the half-equation for the formation of copper at the cathode from copper ions. [1 mark]
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