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13 September, 02:12

The external cover of aeroplane is made up of aluminium instead of iron. Why?

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Answers (2)
  1. 13 September, 03:43
    0
    Aluminium is lighter than Iron, Iron is 26 on the periodic table while Aluminium is 13, half of the weight.
  2. 13 September, 04:59
    0
    The same volume of aluminum has a smaller mass than iron and aircrafts better be light.
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