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4226

Balance the following redox reaction:
Fe\(_2\)O\(_3\) + CO → Fe + CO\(_2\)

  • A. Fe\(_2\)O\(_3\) + CO → 2Fe + 2CO\(_2\)
  • B. 2Fe\(_2\)O\(_3\) + 3CO → 4Fe + 3CO\(_2\)
  • C. Fe\(_2\)O\(_3\) + 2CO → 2Fe + 2CO\(_2\)
  • D. Fe\(_2\)O\(_3\) + 3CO → 2Fe + 3CO\(_2\)
View Answer & Discuss (3) JAMB 2023
4227

What is the trend for ionization energy across a period in the periodic table?

  • A. Increases from left to right.
  • B. Remains constant
  • C. Varies randomly
  • D. Decreases from left to right
View Answer & Discuss (4) JAMB 2023
4228

Which type of chemical combination involves the transfer of electrons from one atom to another, resulting in the formation of oppositely charged ions?

  • A. Ionic bonding
  • B. Hydrogen bonding
  • C. Covalent bonding
  • D. Metallic bonding
View Answer & Discuss (3) JAMB 2023
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4229

Which of the following alkanes has a straight-chain structure?

  • A. Cyclopentane (C5H10)
  • B. Isobutane (C4H10)
  • C. 2 - methyl propane (C4H10)
  • D. Pentane (C5H12)
View Answer & Discuss (12) JAMB 2023
4230

What is the product of the electrolysis of aqueous sodium chloride (NaCl) using inert electrodes?

  • A. Hydrogen gas at the cathode and chlorine gas at the anode
  • B. Hydrogen gas at the cathode and oxygen gas at the anode
  • C. Sodium metal at the cathode and chlorine gas at the anode
  • D. Sodium metal at the cathode and oxygen gas at the anode
View Answer & Discuss (22) JAMB 2023
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