Science- Chemistry- Metals and Non-metals Set 1

Which one of the following figures correctly describes the process of electrolytic refining ?

Which of the following can undergo a chemical reaction ?

The electronic configurations of three elements X, Y and Z are X

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

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 ?

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?

An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identity the element from the following

An electrolytic cell consists of
(i) positively charged cathode
(ii) negatively charged anode
(iii) positively charged anode
(iv) negatively charged cathode

Which one of the following four metals would be displaced from the solution of its salts by other three metals ?