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O Levels Chemistry (5070)•5070/11/O/N/21
Question 24 from 5070/11/O/N/21

Explanation

Neutralization Converts Ions to Molecules

Steps:

  • Neutralization is the reaction of an acid and a base to form salt and water.
  • Acids release H⁺ ions; bases release OH⁻ ions in solution.
  • H⁺ and OH⁻ ions combine to form H₂O molecules.
  • Overall, ionic reactants produce molecular products like water.

Why B is correct:

  • Neutralization involves H⁺(aq) + OH⁻(aq) → H₂O(l), where ions form neutral water molecules.

Why the others are wrong:

  • A: Neutralization starts with ions, not free atoms.
  • C: Ions react to form molecules, not just exchange into new ions.
  • D: Products are molecules like water, not atoms.

Final answer: B

Topic: The characteristic properties of acids and bases

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