Post Utme University of Uyo Chemistry Past Questions and Answers

Question 1:

Which of the following substances is not a homogenous mixture?

A. Filtered water
B. Soft drink
C. Flood water
D. Writing ink

Question 2:

A given mass of gas occupies 2cm2 at 300K. At what temperature will its volume be doubled keeping its pressure constant?

A. 400K
B. 480K
C. 550K
D. 600K

Question 3:

Which of the following is a measure of average kinetic energy of the molecules of a substance?

A. Volume
B. Mass
C. Pressure
D. Temperature

Question 4:

An increase in temperature causes an increase in the pressure of gas in a fixed volume due to an increase in ____________

A. No of molecules of the gas
B. Density of the gas molecules
C. No. of the collusion between the gas molecules
D. No. of the collusion between the gas molecules and the walls of the container

Question 5:

How many lone pairs of electrons are there on the centre atom of the H-O molecules

A. 1
B. 2
C. 3
D. 4