Aluminium is extracted by electrolysis of molten aluminium oxide. Why is it not extracted by heating with carbon?
Answer and explanation
Correct answer: B. Aluminium is more reactive than carbon
- Step 1: Carbon can only displace metals below it in the reactivity series. Step 2. Aluminium is above carbon. Answer: Aluminium is more reactive than carbon. Why not the others: The other statements are false.
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