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Chemistry WAEC Past Questions

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391
Which of the following properties increases down a group in the Periodic Table?
  • A. Atomic radius
  • B. Electronegativity
  • C. Electon affinity
  • D. Ionization energy
View Answer & Discuss (3) WAEC 1999
392
In the Periodic Table, the elements that loss electrons most readily belong to
  • A. Group 1 A
  • B. Group 11 A
  • C. Group 111 A
  • D. Group V11 A
View Answer & Discuss WAEC 1999
393

Which of the following reactions is not feasible?

  • A. Cl2 + 2Kl → 2KCI + I2
  • B. Cl2 + 2NaF → 2NaCI + F2
  • C. Zn + CuCI2 → ZnCl2 + Cu
  • D. Zn + 2AgNO3 → Zn(NO3)2 + 2Ag
View Answer & Discuss (6) WAEC 1999
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394
Which of the following halogens is the most reactive?
  • A. F2
  • B. Br2
  • C. l2
  • D. Cl
View Answer & Discuss WAEC 1999
395

The crystal layers in graphite are held together by

  • A. electrostatic forces
  • B. van der Waals' forces
  • C. hydrogen bonds
  • D. covalent bonds
View Answer & Discuss (9) WAEC 1999
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