Question 5
Metals and their CompoundsThe soft solder used for welding and plumbing is an alloy of
- A.lead and tin
- B.iron and tin
- C.lead and zinc
- D.iron and zinc.
Show the answer and explanation
Answer: A (lead and tin)
Explanation
Soft solder is mainly lead and tin; the alloy melts at a low temperature, which makes it good for joining metals.