Metals and Non-Metals

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

Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z ?

Although metals form basic oxides, which of the following metals form an amphoteric oxide ?

Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electricity ?

Electrical wires have a coating of an insulating material. The material, generally used is

Which of the following non-metals is a liquid ?