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Chemistry 2010 JAMB Past Questions

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41

Which of the following is used to hasten the ripening of fruit?

  • A. Ethene
  • B. Ethanol
  • C. Ethyne
  • D. Ethane
View Answer & Discuss (10) JAMB 2010
42

The final products of the reaction between methane and chlorine in the presence of ultraviolet light are hydrogen chloride and?

  • A. tricloromethane
  • B. dichloromethane
  • C. tetrachloromethane
  • D. chloromethane
View Answer & Discuss (11) JAMB 2010
43

The correct order of increasing boiling points of the following compounds C3H7OH, C7H16 and C4H10 is?

  • A. C3H7OH → C4H10 → C7H10
  • B. C4H10 → C7H16 → C3H7OH
  • C. C7H16 → C3H7OH → C4H10
  • D. C4H10 → C3H7OH → C7H16
View Answer & Discuss (23) JAMB 2010
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WAEC offline past questions - with all answers and explanations in one app - Download for free
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44

One of the major uses of alkane is?

  • A. as domestic and industrial fuel
  • B. in the hydrogenation of oils
  • C. in the textile industries
  • D. in the production of plastics
View Answer & Discuss (2) JAMB 2010
45

The haloalkanes used in dry-cleaning industries are?

  • A. trichloromethane and tetrachloromethane
  • B. chloroethene and dichloroethene
  • C. trichloroethene and tetrachloroethene
  • D. chloroethane and dichloroethene
View Answer & Discuss (28) JAMB 2010
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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