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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 101:
Which of the following can be explained by the kinetic theory?<br/>I. The physical state of matter<br/>II. Diffusion of gases of liquids<br/>III. Melting of solid<br/>IV. Evaporation
  • A IV
  • B I & II
  • C III & IV
  • D I, II & III
  • E I, II, III & IV
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Question 102:
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
  • E Decomposition of their solutions by electric current
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Question 103:
Which of the following statements is not correct about electrolysis?
  • A Reduction occurs at the anode
  • B Anions migrate to the anode
  • C Positive ions migrate to the cathode
  • D Concentration affects the discharge of ions
  • E Electrolysis conduct electric current
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Question 104:
Separation of mixtures of solids by physioal methods can be based on differences in the following except ____________
  • A Melting point
  • B Solubility
  • C Particle size
  • D Molar mass
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Question 105:
The following are major gaseous pollutants except ____________
  • A \(CO\)
  • B \(CO _{2}\)
  • C \(SO _{2}\)
  • D CFC
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