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Q79 (NDA-I/2026) Science & Technology › Basic Science (Physics, Chemistry, Biology)

A non-volatile solid solute may be separated from a solution by which of the following processes?

I. Evaporation

II. Crystallization

Select the correct answer using the code given below.

Result
Your answer: —  Â·  Correct: C

Explanation

Both Evaporation and Crystallization are standard physical techniques used to separate a non-volatile solid solute from a liquid solvent.

  • Evaporation: This method involves heating the solution until the solvent escapes as vapor, leaving the solid solute behind. It is widely used for recovering salts from solutions.
  • Crystallization: This process involves obtaining a solid in its pure crystal form from a solution. It is often preferred over simple evaporation because it produces a purer substance and avoids the potential decomposition of heat-sensitive solids that might occur during boiling.

Since both processes are effective for the separation of a non-volatile solid from a liquid medium, both statements I and II are correct.

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