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Chemistry 2017 JAMB Past Questions

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36
The carbon atoms on ethane are
  • A. sp2 hybridized
  • B. sp3 hybridized
  • C. sp4 hybridized
  • D. sp hybridized
View Answer & Discuss (1) JAMB 2017
37
According to Charle's law, the volume of a gas becomes zero at
  • A. −100°c
  • B. −273°c
  • C. −373°c
  • D. 0°c
View Answer & Discuss JAMB 2017
38
An oxide XO2 has a vapour density of 32. What is the atomic mass of X?
  • A. 20
  • B. 32
  • C. 14
  • D. 12
View Answer & Discuss (1) JAMB 2017
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39
The gas that can be collected by downward displacement of air is
  • A. chlorine
  • B. sulphur (IV) oxide
  • C. carbon (IV) oxide
  • D. ammonia
View Answer & Discuss (13) JAMB 2017
40
In the laboratory preparation of trioxonitrate (V) acid the nitrogen(iv) oxide formed as a by-product is removed by
  • A. further heating
  • B. adding concentrated H2SO4
  • C. cooling the acid solution with cold water
  • D. bubbling air through the acid solution
View Answer & Discuss JAMB 2017
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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