alleryDuralumin is an alloy of
AAluminium, copper, magnesium and manganese
BIron, carbon, manganese and silicon
CCopper, zinc, tin and lead together
DCopper, nickel, silver and gold together
Answer & Solution
Correct answer: A. Aluminium, copper, magnesium and manganese
1. The chapter section on alloys lists duralumin composition.
2. Duralumin contains Al, Cu, Mg and Mn.
3. It is light yet strong, used in aircraft bodies.
4. So option A is correct.
_Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section on alloys_
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