IMSU Chemistry 2012/2013 Past Questions

Practice each question, then open it to see the full details.

Which of the following process is not a surface phenomenon

A.Boiling
B.evaporation
C.surface tension
D.absorption

The mass number of an element X is 39. If there are 20 neutrons in its nucleus, the number of electronic shell in atom is

A.5
B.4
C.3
D.2

The process of separation whereby the movement of air separate the light particles from the heavy ones is

A.Sieving
B.decantation
C.winnowing
D.centrifuging

The unit for measuring X-ray is

A.curie
B.hertz
C.coulomb
D.Geiger

Isomerism is the existence of different organic compounds with

A.the same general formula but different structure
B.the same structure but different general formula
C.the same structure and general formula
D.None of the above.

If 5A electricity is passed though an electrolyte for 5hrs, what is the quantity of electricity that flows through?

A.900C
B.9000C
C.90000C
D.900000C

The group of minerals chemically containing hydrocarbons

A.silicate group
B.organic group
C.oxide group
D.hydride group