Post Utme Chemistry Past Questions and Answers

Question 486:

Alkenes and ____________ are compounds that contain a multiple bond each

A. Alkanes
B. Benzene
C. Alkynes
D. Benzaldehyde

Question 487:

A palm fruit dropped to the ground from the top of a tree 45m tall, how long does it take to reach the ground? (take g=10ms²)

A. 1s
B. 2s
C. 3s
D. 5s

Question 488:

____________ is due to the formation of hydrogen gas bubbles around the copper plate of a simple cell

A. Polarization
B. Depolarization
C. Local action
D. Amalgamation

Question 489:

Which of the following can be explained by the kinetic theory?
I. The physical state of matter
II. Diffusion of gases
III. Melting of solid
IV. Evaporation of liquids

A. IV
B. I & II
C. III & IV
D. I, II & III
E. I, II, III & IV

Question 490:

The properties of electrovalent compounds include the following except

A. High melting point and boiling point
B. Conduction of electricity in the molten state
C. High volatility at room temperature
D. Ionization in aqueous solution