alleryWhich of these alloys is a non-ferrous copper alloy made of copper and zinc?
ABrass
BBronze
CDuralumin
DStainless steel
Answer & Solution
Correct answer: A. Brass
1. Ferrous alloys contain iron, so stainless steel is excluded.
2. Duralumin is an aluminium alloy, not a copper alloy.
3. Bronze is copper and tin, while brass is copper and zinc.
4. Therefore the copper-zinc alloy is brass.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 8 Periodic Classification of Elements "Types of Alloys", p.126_
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