This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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You're on a roll — a) One ore of iron is Haematite (Fe_2O_3). b) A: Waste gases (e.g., CO_2, N_2) B: Slag (molten calcium silicate) C: Molten iron (pig iron) c) The two functions of limestone in the extraction of iron are: • It decomposes to form calcium oxide, which reacts with acidic impurities (like silicon dioxide) to form slag. This removes impurities from the iron. • It helps to lower the melting point of the slag, making it easier to remove from the furnace. d) At point D, the temperature is around 800^ to 1000^. The main reaction is the reduction of iron(III) oxide by carbon monoxide: Fe_2O_3(s) + 3CO(g) 2Fe(l) + 3CO_2(g) What's next?