Post Utme Chemistry Past Questions and Answers

Question 611:

What is emitted during the disintegrations of barium nucleus as shown by the equation below 13856Ba 134 54 x 4O

A. Alpha particles
B. Beta particles
C. Gamma
D. Neutrons
E. X-rays

Question 612:

To what temperature must a gas be raised from 273K in order to double both its volume and pressure

A. 298K
B. 300K
C. 546K
D. 819K
E. 1092K

Question 613:

Which of following is not a direct petroleum product?

A. Methane
B. Ethanol
C. Nathanol
D. Rentanol

Question 614:

A solid that absorbs water from the atmosphere and forms an aqueous solution is ____________

A. Hydrophilic
B. Efflorescent
C. Deliquescent
D. Hydroscopic

Question 615:

One method of driving the position of equilibrium of an endothermic reaction forward is to ____________

A. Increase temperature
B. Increase volume
C. Cool down the apparatus
D. Decrease temperature at constant pressure