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Chemistry 5070 · Cambridge (CAIE) O Level

Extraction of Metals

12 past-paper questions on Extraction of Metals · examined 2020–2024.

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20245 questions

5070/12 · M/J · Q29 [1]Sign up to mark my answer →

Which reaction takes place in the blast furnace?

5070/22 · O/N · Q2(a)(i) [1]Sign up to mark my answer →

In step 1, carbon burns in air to produce carbon dioxide. Give one other reason why carbon is burned in air in the blast furnace.

5070/22 · O/N · Q2(a)(ii) [1]Sign up to mark my answer →

In step 2, carbon monoxide is produced by the reaction of carbon dioxide with carbon. State one adverse effect of carbon monoxide on health.

5070/22 · O/N · Q2(a)(iii) [1]Sign up to mark my answer →

In step 3, iron(III) oxide is reduced by carbon monoxide. Write the symbol equation for this reaction.

5070/22 · O/N · Q2(b) [2]Sign up to mark my answer →

Explain why calcium carbonate is added to the blast furnace. Include any relevant reactions or equations in your answer.

20231 question

5070/11 · O/N · Q29 [1]Sign up to mark my answer →

Some metals and the compounds in their ores are shown. Which type of reaction occurs in the extraction of each of these metals from its ore?

20221 question

5070/21 · M/J · Q5(d) [3]Sign up to mark my answer →

Iron is extracted from iron ore in a blast furnace. Describe the essential reactions involved in the extraction of iron.

20211 question

5070/11 · O/N · Q32 [1]Sign up to mark my answer →

Metal X is more reactive than zinc but less reactive than sodium. What would be the best method for obtaining metal X from its ore?

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