A) \[Mg,\text{ }Sn,\text{ }Zn\]
B) \[Cu,\text{ }Ni,\text{ }Zn\]
C) \[Cu,\text{ }Sn,\text{ }Zn\]
D) \[Cu,\text{ }Sb,\text{ }Zn,\text{ }Pb\]
Correct Answer: C
Solution :
Gun metal is an alloy of copper, tin and zinc. Note: Gun metal is useful for the manufacturing of gun barrels, engineering parts.
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