Write four alloys of Aluminium with its names, composition and uses.

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Solution

Alloys of Aluminium:
S. No Alloy Composition Uses
1. Duralumin $A l + C u + M n + M g$
$95$ % $4$ % $0.5$ % $0.5$ % In the manufacture of aircraft, ship, pressure cooker
2. Aluminium Bronze $C u + A g$
$90$ % $10$ % In the preparation of utensils coins and cheap ornaments
3. Magnalium Bronze $A l + M g$
$90$ % $10$ % In the preparation of air craft, tools, balance
4. Alloy $A l = 93$ %
$C u = 4.5$ %
$N i = 1.5$ %
$M g = 1$ % Parts are used in air craft.

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S. No	Alloy	Composition	Uses
1.	Duralumin	$A l + C u + M n + M g$ $95$ % $4$ % $0.5$ % $0.5$ %	In the manufacture of aircraft, ship, pressure cooker
2.	Aluminium Bronze	$C u + A g$ $90$ % $10$ %	In the preparation of utensils coins and cheap ornaments
3.	Magnalium Bronze	$A l + M g$ $90$ % $10$ %	In the preparation of air craft, tools, balance
4.	Alloy	$A l = 93$ % $C u = 4.5$ % $N i = 1.5$ % $M g = 1$ %	Parts are used in air craft.