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Chemistry Past Questions

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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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991
When a bottle of Coca-Cola is opened, bubbles of evolve. The gas is?
  • A. hydrogen
  • B. carbon monoxide
  • C. carbon dioxide
  • D. sulphur oxide
  • E. chlorine
View Answer & Discuss (1) JAMB 1981
992

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
993
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
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994
The oxidation number of manganese in KMnO4 is?
  • A. +1
  • B. +3
  • C. +5
  • D. +7
  • E. +2
View Answer & Discuss (6) JAMB 1981
995
Methane is member of the homologous series called?
  • A. alkenes
  • B. alcohols
  • C. esters
  • D. alkanes
  • E. alkynes
View Answer & Discuss (1) JAMB 1981
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Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts