You visited us 1 times! Enjoying our articles? Unlock Full Access!

Solutions

Solder is an ...

Question

Solder is an alloy of :

70 % Pb, 30 % Sn

No worries! We‘ve got your back. Try BYJU‘S free classes today!

33 % Pb, 67 % Sn

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

80 % Pb, 20 % Sn

No worries! We‘ve got your back. Try BYJU‘S free classes today!

90 % Cu, 10 % Sn

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 33 % Pb, 67 % Sn
Old-fashioned solders contain a mixture of tin (50-70%), lead (30-50%), copper, antimony, and other metals. Newer solders dispense with lead for health reasons. A typical modern solder has 99.25 percent tin and 0.75 percent copper.

Suggest Corrections

Similar questions

P b^{4 +} + S n^{2 +} \to S n^{4 +} + P b^{2 +}

S n^{4 +} + P b^{2 +} \to P b^{4 +} + S n^{2 +}

E_{P b^{4 +} / P b^{2 +}}^{o} = 1.69 V, E_{S n^{4 +} / S n^{2 +}}^{o} = 0.15 V

Match the following.

Set -I Set -II

A) Nichrome 1) Pb, Bi,Sn,Cd

B) Type metal 2) Pb,Sb,Sn

C) Woods metal 3) Cu, Al, Zn

D) Devarda's alloy 4) Fe, Ni, Cr

[1] P b^{2 +} > P b^{4}, S n^{2 +} > S n^{4 +}

[2] P b^{2 +} < P b^{4}, S n^{2 +} < S n^{4 +}

[3] P b^{2 +} > P b^{4}, S n^{2 +} < S n^{4 +}

[4] P b^{2 +} < P b^{4}, S n^{2 +} > S n^{4 +}

[5] S n^{2 +} < P b^{2 +}, S n^{4 +} > P b^{4 +}

[6] S n^{2 +} < P b^{2 +}, S n^{4 +} < P b^{4 +}

Join BYJU'S Learning Program