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Chemistry JAMB Past Questions

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1311

Ethanol reacts with concentrated tetraoxosulphate (VI) acid at a temperature above 170\(^0\)C to form

  • A. ethanone
  • B. ethene
  • C. ethyne
  • D. ethanal
View Answer & Discuss (6) JAMB 2012
1312
An example of oxidation - reduction enzyme is
  • A. amylase
  • B. protease
  • C. lipase
  • D. dehydrogenase
View Answer & Discuss (3) JAMB 2012
1313
An organic compound X has the following properties: I. It is not miscible with water. ll. lt has boiling point of 77oC lll. lt has a sweet odour lV. lt is insoluble in sodium hydrogen carbonate solution . V lt does not decolourize bromine water X is therefore
  • A. methane
  • B. ethanoic acid
  • C. ethene
  • D. ethyl ethanoate
  • E. carbon tetrachloride
View Answer & Discuss (20) JAMB 1979
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1314

Which are the correct IUPAC names for H-CO\(_2\)CH\(_3\) and CH \(\equiv\) CH

  • A. Methyl methanoate and ethene
  • B. Metanoic acid and ethyne
  • C. Ethyl methanoate and ethyne
  • D. Methyl methanoate and ethyne
  • E. Ethanoic acid and ethene
View Answer & Discuss (21) JAMB 1979
1315
Which of the following substances are all made by the process of polymerization?
  • A. Nylon and soap
  • B. Ethanoic acid margarine and ethanol
  • C. Nylon and artificial rubber
  • D. Soap and butane
  • E. Margarine and nylon
View Answer & Discuss (8) JAMB 1979
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