First slide

Group 14 or carbon family

Question

Solder is an alloy of

Moderate

A

70 % Pb, 30 % Sn
B

33 % Pb, 67 % Sn
C

80 % Pb, 20% Sn
D

99 % Cu, 10 % Sn

Solution

Solders are typically made from tin or lead or a combination of both in the ratio of 67:33 respectively.

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