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Chemistry 2014 JAMB Past Questions

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6

Beryllium and aluminum have similar properties because they?

  • A. are both metals
  • B. belong to the same group
  • C. belong to the same period
  • D. are positioned diagonally to each other
View Answer & Discuss (19) JAMB 2014
7
If the difference in electronegativity of elements P and Q is 3.0. The bond that will be formed between them is
  • A. metallic
  • B. covalent
  • C. co-ordinate
  • D. ionic
View Answer & Discuss (8) JAMB 2014
8
How many protons, neutrons and electrons respectively are present in the element 60/27 Co?
  • A. 27, 33 and 33
  • B. 33, 27 and 27
  • C. 27, 33, and 27
  • D. 60, 33 and 60
View Answer & Discuss (5) JAMB 2014
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9
The radio active radiation used in studying the arrangement of particles in giant organic molecules is
  • A. \(\gamma\)- rays
  • B. \(\alpha\)- particles
  • C. X-rays
  • D. \(\beta\) - particles
View Answer & Discuss (3) JAMB 2014
10

A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30Si. Calculate the relative atomic mass of the silicon.

  • A. 14.00
  • B. 29.00
  • C. 28.11
  • D. 28.00
View Answer & Discuss (6) JAMB 2014
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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