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3241

Suitable reagents for the laboratory preparation of nitrogen are

  • A. sodium dioxonitrate(III) and ammonium chloride
  • B. sodium trioxonitrate(V) and ammonium chloride
  • C. sodium chloride and ammonium trioxonitrate(V)
  • D. sodium chloride and ammonium di-ozonitrate(III)
View Answer & Discuss (6) JAMB 2018
3242

The number of electrons in the valence shell of an element of atomic number 14 is?

  • A. 1
  • B. 2
  • C. 3
  • D. 4
View Answer & Discuss (7) JAMB 2018
3243

What volume of oxygen will remain after reacting 8cm\(^3\) of hydrogen gas with 20cm\(^3\) of oxygen gas

  • A. 10cm\(^3\)
  • B. 12cm\(^3\)
  • C. 14cm\(^3\)
  • D. 16cm\(^3\)
View Answer & Discuss (13) JAMB 2018
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3244

If one of the following oxides is heated with hydrogen or carbon using a bunsen burner. it is not reduced to the metal, Which one is it?

  • A. lead oxide
  • B. Magnesium oxide
  • C. Copper oxide
  • D. Tin oxide
View Answer & Discuss (6) JAMB 2018
3245

The lUPAC name for

  • A. 1-methyl pentane
  • B. 3-methylbutane
  • C. 2-methylbutane
  • D. 1-dimethyl propane
View Answer & Discuss (13) JAMB 2018
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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