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Chemistry 2017 WAEC Past Questions

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NECO offline past questions - All questions, answers & explanations in one app 25712
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
11

The oxidation number of nitrogen in \(Pb(NO_{3})_{2}\) is

  • A. +2
  • B. +3
  • C. +4
  • D. +5
View Answer & Discuss (1) WAEC 2017
12

Which of the following arrangements indicates the correct decreasing order of ionization energy of period 3 elements?

  • A. Na, Al, P, Cl
  • B. Cl, P, Al, Na
  • C. Na, P, Cl, Al
  • D. Al, Na, P, Cl
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13

Which of the following metals has the strongest metallic bond?

  • A. \(_{13}Al\)
  • B. \(_{19}K\)
  • C. \(_{12}Mg\)
  • D. \(_{11}Na\)
View Answer & Discuss (4) WAEC 2017
NECO offline past questions - All questions, answers & explanations in one app 25712
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
14

Which of the following substances does not have van der Waals' forces?

  • A. Copper
  • B. Graphite
  • C. Neon
  • D. Iodine crystals
View Answer & Discuss (1) WAEC 2017
15

The oxidation number of X in \(XO_{4}^{3-}\) is

  • A. +1
  • B. +3
  • C. +4
  • D. +5
View Answer & Discuss (4) WAEC 2017
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