A) 88,2,10
B) 88,10,2
C) 80, 20, zero
D) 80, zero, 20
Correct Answer: B
Solution :
Gun metal is the alloy of copper, zinc and tin. Their percentages are as under: Element Percentage Cu 88% Zn 2% Sn 10% Other alloys of copper are: Brass (Cu + Zn), German silver (Cu + Zn + Ni), Bell metal (Cu + Sn) etc.
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