Question

For soldering the electronic parts together, the material solder used is an alloy of:

• A. aluminum and lead
• B. lead and tin
• C. aluminum and iron
• D. iron and tin

Answer 1

The correct option is B lead and tin

For soldering the electronic parts together, the material used in an alloy of lead and tin. It is low melting point alloy.

So answer is $B$.