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Chemistry 2025 WAEC Past Questions

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31

All the following compounds are covalent except

  • A. NO\(_2\)
  • B. SO\(_3\)
  • C. SO\(_2\)
  • D. KNO\(_3\)
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32

A salt that could be prepared by double decomposition is 

  • A. sodium trioxocarbonate (IV)
  • B. barium trioxonitrate (V)
  • C. lead (II) trioxonitrate (V)
  • D. silver chloride
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33

The IUPAC name of the compound CH\(_3\)CHClCH\(_2\)OH is

  • A. chloropropanol
  • B. 1-chloropropan-1-ol
  • C. 2-chloropropan-3-ol
  • D. 2-chloropropan-1-ol
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34

Neutral atom of Neon with atomic number 10 is isoelectronic with

  • A. K\(^+\)
  • B. Mg\(^{2+}\)
  • C. Ca\(^{2+}\)
  • D. Li\(^+\)
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35

Which of the following species is the most powerful reducing agent?

  • A. Bromine atom
  • B. Chlorine atom
  • C. Fluoride atom
  • D. Iodine atom
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