Question

Solder which is an alloy of lead and tin , is useful for joining copper wires because​

Answer 1

Answer:

Therefore, option B) is correct i.e., solder is used for welding electrical wires because it has less melting point. Additional information: Lead and tin both are metals. Metals are good conductors of heat and the electricity, malleable i.e., they can be drawn into sheets, ductile i.e., they can be drawn into wire.

Explanation:

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Answer 2

Explanation:

solder is used for welding electrical wires because it has less melting point.