Question 49
Metals and their CompoundsWhich of the following alloys contain iron?
- A.Duralumin and steel
- B.Brass and bronze
- C.Steel and permalloy
- D.Soft solder and duralumin
Show the answer and explanation
Answer: C (Steel and permalloy)
Explanation
Steel is iron with carbon, and permalloy is a nickel–iron alloy. Duralumin, brass, bronze and solder contain no iron.