Jamb Chemistry 2005 Past Questions and Answers

Question 41:

• JAMB 2005

The gas that can be dried using concentrated tetraoxosulphate (VI) acid is

A. Hydrogen bromide
B. Sulphur (IV) oxide
C. Hydrogen sulphide
D. Ammonia

Question 42:

• JAMB 2005

NH₄Cl_(s) ↔ NH_3(g) + HCL_(g)
The reaction above can only attain equilibrium if

A. A gaseous reactant is added
B. One of the products is removed
C. It is in a closed system
D. It is an open system

Question 43:

• JAMB 2005

The most suitable metal that can be used as lightning conductor is

A. Silver
B. Copper
C. Iron
D. Aluminium

Question 44:

• JAMB 2005

In the diagram above which of the cures illustrates Arrhenius' law?

A. Y
B. Z
C. R
D. X

Question 45:

• JAMB 2005

The most abundant element on the earth's crust is

A. Nitrogen
B. Hydrogen
C. Oxygen
D. Flourine