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Chemistry Past Questions

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2586
The aqueous solution which has pH > 7 is
  • A. FeCI3(aq)
  • B. CuSO4(aq)
  • C. KNO3(aq)
  • D. Na2CO3(aq)
View Answer & Discuss WAEC 2013
2587

Which of the following acids would readily react with CaCO3 to liberate CO2?

  • A. CH3COOH
  • B. H2SO4
  • C. H2SO3
  • D. HNO3
View Answer & Discuss (4) WAEC 2013
2588
Which of the following compounds crystallizes without water of crystallization?
  • A. MgSO4
  • B. Na2CO3
  • C. NaCI
  • D. FeSO4
View Answer & Discuss (1) WAEC 2013
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2589
A substance is said to be impure if
  • A. its melting point range is wide
  • B. it dissolves in water with difficult
  • C. it has a low melting point
  • D. it is coloured
View Answer & Discuss (3) WAEC 2013
2590
The following factors affect the solubility of a solid in a given solvent except
  • A. nature of solute
  • B. nature of solvent
  • C. pressure
  • D. temperature
View Answer & Discuss WAEC 2013
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