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Chemistry JAMB Past Questions

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1556

Use the options above to answer this question. Which is the structural formula for pent-2-enoic acid?

  • A. A
  • B. B
  • C. C
  • D. D
View Answer & Discuss (3) JAMB 1986
1557

Use the option above to answer this question. Which is the correct set of results for tests conducted respectively on fresh lime juice and ethanol.

  • A. A
  • B. B
  • C. C
  • D. D
View Answer & Discuss (14) JAMB 1987
1558

The times taken for iodine to be liberated in the reaction between sodium thiosulphate and hydrochloric acid at various temperature are as follows. These results suggest that

  • A. for a 10o rise in temperature, rate of reaction is double
  • B. for a 10 o rise in temperature, rate of reaction is halved
  • C. time taken for iodine to appear does not depend on temperature
  • D. for a 10 o rise in temperature rate of reaction is tripled
View Answer & Discuss (24) JAMB 1987
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1559

Use the option above to answer this question. The structure of benzoic acid is

  • A. A
  • B. B
  • C. C
  • D. D
View Answer & Discuss (10) JAMB 1987
1560
In the experiment above, ammonium chloride crystals deposit on the walls of the tube is as a result of
  • A. evaporation
  • B. recrystallization
  • C. sublimation
  • D. fractional precipitation
View Answer & Discuss (4) JAMB 1988
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