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chemistry igcse acapprinted 88 · PDF 88
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printed 88 · PDF 88
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88
Answer: B) Carbon monoxide
P4
1. Define what an alloy is and give two examples of common alloys.
2. Describe the main steps involved in the extraction of iron from its ore using a blast
furnace. Include the role of coke and limestone in the process.
3. Give two uses of Cryolite in the extraction of aluminium .
4. Discuss the factors that influence the choice of method for extracting a metal from its
ore. Include considerations such as reactivity, availability of resources, and economic
factors.
5. Evaluate the environmental impact of metal extraction and processing. Discuss how
these processes can affect ecosystems and suggest ways to mitigate these effects.