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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c) The balanced symbol equation for the extraction of copper from cuprite () using carbon () is:
d) (i) The name of the iron ore used in the blast furnace is hematite.
d) (ii) In the given equation, , the chemical that is reduced is . This is because loses oxygen atoms to become , which is the definition of reduction.
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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.