Jamb Chemistry 2004 Past Questions and Answers

Question 6:

• JAMB 2004

According to charles' law, the volume of a gas becomes zero at

A. 0 ^oC
B. -100 ^oC
C. -273 ^oC
D. -373 ^oC

Question 7:

• JAMB 2004

It is difficult to achieve an orderly arrangement of the molecules of a gas because they

A. Have no definite shape
B. Have little force of attraction between them
C. Can collide with one another in the container
D. Are too small in size

Question 8:

• JAMB 2004

A given volume of methane diffuses in 20s. How long will it take the same volume of sulphur (IV) oxide to diffuse under the same conditions?
[C = 12, H = 1, S = 32, O = 16

A. 5s
B. 20s
C. 40s
D. 60s

Question 9:

• JAMB 2004

An electron can be added to a halogen atom to form a halide ion with

A. 2 valence electrons
B. 3 valence electrons
C. 7 valence electrons
D. 8 valence electrons

Question 10:

• JAMB 2004

The shape of s-orbitals is

A. Spherical
B. Elliptical
C. Spiral
D. Circular