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Chemistry 2013 JAMB Past Questions

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1

The presence of an impurity in substance will cause the melting point to

  • A. be zero
  • B. reduce
  • C. increase
  • D. be stable
View Answer & Discuss (8) JAMB 2013
2
What volume of carbon (ll) oxide is produced by reacting excess carbon with 10 dm3 of oxygen?
  • A. 5 dm 3
  • B. 20 dm 3
  • C. 15 dm 3
  • D. 10 dm 3
View Answer & Discuss (8) JAMB 2013
3
The radioisotope used in industrial radiography for the rapid checking of faults in welds and casting is
  • A. carbon-14
  • B. phosphorus-32
  • C. cobalt-60
  • D. iodine-131
View Answer & Discuss JAMB 2013
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
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4
The shape of the carbon (lV) oxide molecule is
  • A. pyramidal
  • B. linear
  • C. angular
  • D. tetrahedral
View Answer & Discuss (9) JAMB 2013
5

Which of the following molecules is held together by hydrogen bond?

  • A. CH4
  • B. HBr
  • C. H2SO4
  • D. HF
View Answer & Discuss (1) JAMB 2013
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709