Question 38
Metals and their CompoundsWhat properties of duralumin make it more useful than its constituent metals?
- A.It is heavy with a high melting point
- B.It is malleable and has high density
- C.It is strong and light
- D.It is hard and ductile
Show the answer and explanation
Answer: C (It is strong and light)
Explanation
Duralumin (aluminium with copper, magnesium and manganese) is much stronger than pure aluminium but still light, so it is used for aircraft bodies.