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

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents ?

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

Which of the following alloys contains copper?

Which among the following alloys contains a non metals as one of its constituents?

Which of the following alooys contains a non-metal as one of the constituents?