Question

Solder is used for welding electrical wires together. Give reason and write its compositon?

Answer 1

$\textbf{Solder}$ have low melting point and also it can conduct heat and electricity so we uses it to join two wires together.

This is actually an alloy of lead and tin.

Answer 2

soldier have very low melting point and it is a good conductor of heat and electricity so we use it in soldering or for welding.