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Chemistry 2017 JAMB Past Questions

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6
Temporary hard water is formed when rain water containing dissolved carbon(IV) oxide flows over deposits of
  • A. CaCO3
  • B. Na2CO3
  • C. Na2SO4
  • D. CaSO4
View Answer & Discuss JAMB 2017
7
The acid anhydride that will produce weak acid in water is
  • A. SO3
  • B. NO2
  • C. SO2
  • D. CO2
View Answer & Discuss (6) JAMB 2017
8
The process that occurs when two equivalent forms of a compound are in equilibrium is
  • A. Isotopy
  • B. Resonance
  • C. Isomerism
  • D. Reforming
View Answer & Discuss (13) JAMB 2017
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9

In the laboratory preparation of ethyl ethanoate, the water present in the mixture is removed using ?

  • A. Anhydrous CaCl2
  • B. concentrated NaCO4
  • C. dilute NaOH
  • D. concentrated H2SO4
View Answer & Discuss (9) JAMB 2017
10

The constituent of air necessary in the rusting process are

  • A. O2 and H2O
  • B. Ar and CO2
  • C. CO2 and H2O
  • D. O2 and CO2
View Answer & Discuss (8) JAMB 2017
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