Q
Gun metal contains__________________?
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A
A. 70% copper and 30% zinc
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B
B. 90% copper and 10% tin
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C
C. 85-92% copper and rest tin with little lead and nickel
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D
D. 70-78% copper and rest tin
Correct Answer:
C. C. 85-92% copper and rest tin with little lead and nickel
