Q79 / 270 · NDA 2026 (Phase 1) · General Ability

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.

  • A
    I only
  • B
    II only
  • Correct answer
    C
    Both I and II
  • D
    Neither I nor II

Solution

Evaporation is a process in which the volatile solvent is vaporized, leaving the non-volatile solid solute behind. It is commonly used to separate dissolved solids from liquids, such as obtaining salt from seawater.

Crystallization is a process where a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal. It is used to separate a pure solid in the form of its crystals from a solution.

Both evaporation and crystallization are effective methods for separating a non-volatile solid solute from a solution.

Answer: Both I and II

Hence, the correct answer is option: 'C'.

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