The major components in "Gun Metal" are:
d & f-Block Elements · Class 12 · JEE Main Previous Year Question
The major components in "Gun Metal" are:
- a✓
Cu, Sn and Zn
- b
Al, Cu, Mg and Mn
- c
Cu, Ni and Fe
- d
Cu, Zn and Ni
Cu, Sn and Zn
Gun Metal (also called Admiralty Gun Metal):
Composition: Cu (88%) + Sn (10%) + Zn (2%)
Properties: Hard, corrosion-resistant, used for making guns, cannons, bearings, and marine fittings.
Common alloys for reference:
| Alloy | Composition | |-------|-------------| | Gun Metal | Cu + Sn + Zn | | Bronze | Cu + Sn | | Brass | Cu + Zn | | German Silver | Cu + Zn + Ni | | Duralumin | Al + Cu + Mg + Mn | | Cupronickel | Cu + Ni |
Answer: Option (1) — Cu, Sn and Zn
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