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Gun metal contains 2 percent of-

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Gun metal contains 2 percent of-
1. Copper 
2. Tin
3. Nickel 
4. Zinc
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Correct Answer - Option 4 : Zinc

Explanation:

  • Gunmetal is typically composed of 86% copper, 9.5% tin, 2.5% lead, and 2% zinc.
  • It was used mainly for making guns and bullets. Now it is superseded by Steel.
  • Gunmetal is used extensively for making heavy machinery parts as it can withstand high pressure and is corrosion resistant.
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