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Extraction of Metals

Properties and Uses of Iron.

Iron is one of the three magnetic elements.
The other two are cobalt and nickel.

Cast iron is very brittle (it cracks easily) but it has a greater
resistance to corrosion (see rusting) than either pure iron or steel.
Cast iron is used for manhole covers on roads and pavements
and as engine blocks for petrol and diesel engines.

Pure iron is called wrought iron. Wrought iron is malleable
and is mainly used in ornamental work for gates.
Iron is also the catalyst in the Haber Process.

The large majority of iron from the blast furnace is made into steel.

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