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Chemistry JAMB Past Questions

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991

When glowing splint is inserted into the mouth of a jar containing a gas, the splint is extinguished. The gas gives a white precipitate when passing into barium hydroxide. The gas is?

  • A. methane
  • B. hydrogen chloride
  • C. hydrogen
  • D. nitrogen
  • E. carbondioxide
View Answer & Discuss (4) JAMB 1981
992
An example of a strong electrolyte is?
  • A. ethyl acetate
  • B. ethanol
  • C. glucose
  • D. sodium formate
  • E. formic acid
View Answer & Discuss (7) JAMB 1981
993
The oxidation number of manganese in KMnO4 is?
  • A. +1
  • B. +3
  • C. +5
  • D. +7
  • E. +2
View Answer & Discuss (6) JAMB 1981
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994
Methane is member of the homologous series called?
  • A. alkenes
  • B. alcohols
  • C. esters
  • D. alkanes
  • E. alkynes
View Answer & Discuss (1) JAMB 1981
995
For iron to rust, there should be present?
  • A. oxygen
  • B. moisture
  • C. carbondioxide
  • D. oxygen and moisture
  • E. oxygen, moisture and carbondioxide
View Answer & Discuss (7) JAMB 1981
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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