Hematite is converted into iron by using a blast furnace .
a, Which are the substances fed into a blast furnace ? (1)
b, Which compound acts as a reducing agent in a blast furnace ?
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Iron is extracted from iron ore in a huge container called a blast furnace. Iron ores such as haematite contain iron oxide, Fe2O3.
In this reaction, the iron oxide is reduced to iron, and the carbon is oxidised to carbon dioxide.
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