Which among the following alloys contain mercury

Which among the following alloys contain mercury as one of its constituents?

  1. Stainless steel
  2. Alnico
  3. Solder
  4. Zinc amalgam

Answer

Stainless steel - Fe with C

Alnico - Al, Ni and Co

Solder - Pb and Sn

Zinc amalgam - Zn with Hg

The correct option is D.