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Write some uses of aluminimum....

Write some uses of aluminimum.

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`(i)` In making silver paint
`(ii)` In making utensils
`(iii)` In making alloys for parts of aeroplane
`(iv)` As reducing agent in the extraction of `Cr` from `Cr_(2)O_(3)`, `Mn` from `Mn_(2)O_(3)`, `MO` from `Mo_(2)O_(3)`, etc
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