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Chemistry 2011 JAMB Past Questions

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6
An isotope has an atomic number of 15 and a mass number of 31. The number of protons it contain is
  • A. 16
  • B. 15
  • C. 46
  • D. 31
View Answer & Discuss (15) JAMB 2011
7
The molecular lattice of iodine is held together by
  • A. dative bond
  • B. metallic bond
  • C. hydrogen bond
  • D. van der Waal's forces
View Answer & Discuss JAMB 2011
8
The arrangement of particles in crystal lattices can be studied using
  • A. X - rays
  • B. γ - rays
  • C. α - rays
  • D. β - rays
View Answer & Discuss JAMB 2011
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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9

From the diagram above, find the amount of solute deposited when 200 cm\(^3\) of the solution is cooled from 55°C to 40°C.

  • A. 0.10 mole
  • B. 0.20mole
  • C. 0.01 mole
  • D. 0.02 mole
View Answer & Discuss (7) JAMB 2011
10
The importance of sodium aluminate (III) in the treatment of water is to
  • A. cause coagulation
  • B. neutralize acidity
  • C. prevent goitre and tooth decay
  • D. kill germs
View Answer & Discuss (1) JAMB 2011
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