Addition of __________ [antimony/tin/German silver/bell metal/brass] to lead lowers the melting point of the alloy solder.
Brass is an alloy of :
(a) Copper and tin, (b) Copper and zinc,
(c) Zinc and lead, (d) Lead and tin.
15)
Assertion - Fuse wire is made up of an alloy constituted by lead and tin made by 1:1 ratio by mass
Reason - Both lead and tin have comparatively lower melting point than other metals.
Which of the following is an alloy of mercury with silver and tin as a metal?