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Chemistry Medium NTS Uploaded: 04 Sep 2026

What is a precipitation reaction?

  • A Formation of water only
  • B Absorption of heat
  • C Formation of an insoluble solid from two solutions
  • D Formation of a gas
Correct Answer: Option C — Formation of an insoluble solid from two solutions
Explanation:
A precipitation reaction occurs when two soluble solutions are mixed and react to form an insoluble solid, called a precipitate, which separates out of the solution, often used to identify specific ions.
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