Question

Solder is an alloy of:

• A. $Pb+Cu$
• B. $Cu+Sn$
• C. $Pb+Sn$
• D. $Sn+Al$

Answer 1

Answer: (C)

$Pb+Sn$

Answer 2

Solder is an alloy of Pb + Sn. Its melting point is quite low, hence, is used in soldering the chips (ICs) etc.