Which among the following alloys contain mercury as one of its constituents?
(a) Stainless steel
(d) Zinc amalgam
(a) Stainless steel: iron and carbon
(b) Alnico: Aluminium, Nickel, Cobalt and Iron plus varying levels of Copper, Titanium and Niobium.
(c) Solder: One is a soft solder, which is an alloy of tin and lead. The other is a hard solder, which is an alloy of copper and zinc.
(d) Zinc amalgam: When mercury reacts with a zinc metal, it forms the zinc amalgam
Therefore option (d) is correct