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1096
Tetraoxosulphate (IV) ions are finally tested using?
  • A. acidified silver nitrate
  • B. acidified barium chloride
  • C. ime-water
  • D. dilute hydrochloric acid
  • E. acidified lead nitrate
View Answer & Discuss (8) JAMB 1985
1097
An organic compound decolourized acidified KMnO4 solution but failed to react with ammoniacal silver nitrate solution. The organic compound is likely to be?
  • A. a carbonxylic acid
  • B. an alkane
  • C. an alkene
  • D. an alkyne
  • E. an akanone
View Answer & Discuss (3) JAMB 1985
1098

Solid sodium hydroxide on exposure to air absorbs a gas and ultimately gives another alkaline substance with the molecular formula?

  • A. NaOH.H2O
  • B. NaOH.N2
  • C. Na\(_2\)CO\(_3\)
  • D. NaHCO3
  • E. NaNO3
View Answer & Discuss (7) JAMB 1985
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1099
Which of the following substances is the most abundant in the universe?
  • A. Carbon
  • B. Air
  • C. Water
  • D. Oxygen
  • E. Hydrogen
View Answer & Discuss (19) JAMB 1985
1100

A colourless organic compound X was burnt in excess air to give two colourless and odourless gases, Y and Z, as products. X does not decolorize blue bromine vapour, Y turns lime milky while Z gives a blue colour with copper (ll) tetraoxosulphate (IV).
Compound X is?

  • A. an alkene
  • B. an alkane
  • C. an alkyne
  • D. tetrachloromethane
  • E. dichloromethane
View Answer & Discuss (2) JAMB 1985
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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