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Titanium, when pure,
is a lustrous, white metal.
The metal burns in air and is the only element
that burns in nitrogen. It is marvellous in
fireworks.…read more

Slide 3

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Aluminium and Titanium resist
corrosion as they have a very thin layer
of their oxides on the surface, which stops
air and water getting to the metal.…read more

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Extraction
Unlike iron, aluminium and titanium
cannot be extracted from their oxides by
reduction with carbon because:
Aluminium is more reactive than
carbon, so the reaction does not work.
Titanium forms titanium carbide with
carbon, which makes the metal brittle.…read more

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Aluminium is mined in
huge scales as bauxite.
· In order to isolate pure aluminium,
impurities must be removed from the
bauxite.
· This is done by the Bayer process,
which involves treatment with sodium
hydroxide solution, followed by
purification using electrolysis.…read more

Slide 6

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Titanium is isolated
using the
Kroll method.
This involves the action of chlorine and
carbon on the titanium ore followed by
fractional distillation and then
reduction with magnesium.…read more

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