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Chemistry 2006 JAMB Past Questions

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1
The raw materials used for the smelting of iron ore in a furnace is
  • A. CaSO4
  • B. CaCO3
  • C. CuSO4
  • D. Zn(NO3)2
View Answer & Discuss (3) JAMB 2006
2
On heating, which of the following compounds will decompose to the free metal, nitrogen (IV) oxide and oxygen?
  • A. Ca(NO3)2
  • B. Cu(NO3)2
  • C. AgNO3
  • D. NaNO3
View Answer & Discuss (4) JAMB 2006
3
The group IA metals are not found free in nature because they
  • A. are very reactive and unstable
  • B. are malleable and ductile
  • C. have high melting and boiling point
  • D. conduct heat and electricity
View Answer & Discuss (3) JAMB 2006
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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4

Carbon exist naturally in the combined state as?

  • A. graphite
  • B. coal
  • C. diamond
  • D. wood
View Answer & Discuss (17) JAMB 2006
5
The efficiency of a solid catalyst to increase reaction rates depends on its
  • A. surface area
  • B. solubility
  • C. concentration
  • D. quantity
View Answer & Discuss (3) JAMB 2006
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