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(a) To lower the Melting point of Aluminium oxide from 20150C to 8000C.
(b) - An alloy of Aluminium is used in making parts of aeroplanes, trucks, trains, buses because they are light, hard and strong.
- For making cooking vessels because they are not easily corroded since they are unreactive.
- Making overhead cables because they are light and good conductors of electricity.
john3 answered the question on November 4, 2017 at 22:59
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