Jamb Chemistry Past Questions and Answers

Question 1866:

• JAMB 2016

The principle of column chromatography is based on th ability of the constituents to

A. React with the solvent in the column
B. React with each other in the solvent in the column
C. Dissolve in each other in the column
D. Move at different speeds in the column

Question 1867:

• JAMB 2016

Ammonium chloride can be separated from its mixture with common salt by

A. Distillation
B. Evaporation
C. Decantation
D. Sublimation

Question 1868:

• JAMB 2016

The ability of carbon to form long chains is referred to as

A. Alkylation
B. Acylation
C. Carbonation
D. Catenation

Question 1869:

• JAMB 2016

The industrial preparation of hydrogen gas from water gas is referred to as

A. Bosch process
B. Contact process
C. Haber process
D. Bayer Process

Question 1870:

• JAMB 2016

The relative atomic mass of a naturally occurring lithium consisting of 90%\(\frac{7}{3}\)Li and 10%\(\frac{6}{3}\)Li is

A. 6.2
B. 6.8
C. 7.1
D. 6.9