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Chemistry Medium FPSC PPSC NTS Uploaded: 14 Jul 2026

Which reaction type involves the breaking of a large molecule into smaller ones?

  • A Synthesis
  • B Displacement
  • C Decomposition
  • D Neutralisation
Correct Answer: Option C — Decomposition
Explanation:
Decomposition reactions break down a single compound into two or more simpler substances often using heat electricity or light as in the thermal decomposition of calcium carbonate.
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