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 Form 4 Chemistry Online Lessons on Extraction of Iron

In this lesson, we are going to learn about Extraction of Iron from Haematite
-Haematite is an ore of iron metal which is #Fe_2O_3# .
-The extraction of pure iron from the ore is done through passing the ore, limestone and coke in the blast furnace.
-The main impurities in the ore includes Silicon IV oxide.
-The silicon IV oxide is removed by reacting it with calcium oxide to form slag, which is less dense than the molten iron and therefore it settled above the iron in the blast furnace.
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