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because they have it in alot of places and are not reall useful

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14y ago

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Why was aluminium rare during Napoleonic times?

Aluminium is produced by electrolysis of the mineral bauxite. In Napoleonic times there was no cheap electricity :P Aluminum metal was rare because the Hall-Heroult process of running electricity through molten cryolite had not been discovered yet. Aluminum could only be produced with very small yield before this. Aluminum compounds such as bauxite are plentiful, but it is incredibly rare to find ores containing elemental aluminum.


Why do the notable features of aluminum make it suitable for making aircraft and power cables?

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Why use aluminium in the production of cars?

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It is a good conductor of heat, it is cheap and light


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An aeroplane body is made up of an alloy (meaning: mixture of metals) of aluminium and copper. This is as aluminium is very light and cheap, but it needs copper as aluminium is too brittle. This way the plane have a weight of aluminium but the felexibility of copper!


Is electricity in iceland cheap?

Yes.


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Aluminium is cheap, is not toxic, has a low density, it is not corroded in air.


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Why the airplane wings are made up of aluminum?

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It's strong enough, cheap enough and easy enough to work with.


Why aluminium used to make bicycle brakes?

It's strong enough, cheap enough and easy enough to work with.