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Which of the following are the ingredients of gun metal

This question belongs to General Knowledge General Science
General Science
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Which of the following are the ingredients of gun metal?

Answer & Solution
Correct Answer: Option D
Modified gunmetal contains lead in addition to the zinc; it is typically composed of 86% copper, 9.5% tin, 2.5% lead, and 2% zinc. It is used for gears and bearings.
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3 Comments
Abdul Qadeem
Abdul Qadeem 4 years ago
D
Saudip Chowdhury
Saudip Chowdhury 8 years ago
Option D
Anirban Kundu
Anirban Kundu 9 years ago
where is zinc? it should be copper, tin & zinc
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