Which of the following are the ingredients of gun metal?
Correct answer: D. Copper, Tin and Zinc
- A. Iron, Zinc and Titanium
- B. Iron and Tin
- C. Iron, Brass and Tin
- D. Copper, Tin and Zinc
Explanation
Gunmetal is a copper alloy containing tin and zinc, commonly approximated as about 88% copper, 10% tin, and 2% zinc. Iron-based alloys are not gunmetal.
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