Question

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Answer 1

Answer:

1) Duralumin

Aluminium: 95%, Copper: 4%, Manganese ‹1%, Magnesium: 0.5%

2) Gun Metal

Copper: 85 – 90%, Tin: 8 – 12% & Zinc: 1 – 3%

3) Monel

Nickel: 60%, Copper: 33% & Iron: 7%

4) Phosphor bronze

Bronze with a small amount of phosphorus

5) Brass

Mainly copper with up to 50% Zinc

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Answer 2

Answer:

1) Gun metal

2) monel

3) phosphor bronze

4) solder metal

5) manganese

Explanation:

elemets

1) copper,tin,zinc

2) copper,nickel,iron

3) bronze,phosphur

4) lead,tin

5) magnesium

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