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WAEC Chemistry 2025 Theory — Question 55

Question 55 of 70 from the West African Examinations Council (WAEC) Chemistry 2025 Theory paper, with the correct answer and a full explanation.

5(b)(ii). Write the equation(s) for the main reaction of iron (III) oxide in the blast furnace.

Model answer

Fe2O3 + 3CO -> 2Fe + 3CO2, and 2Fe2O3 + 3C -> 4Fe + 3CO2.

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