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Chemistry · PYQ NEET UG 2024

हिन्दी

On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of such solid substances based on the above principle is known as

  1. Distillation
  2. Chromatography
  3. Crystallization
  4. Sublimation

Correct answer · Option 4

Sublimation

Explanation

Sublimation is the process where a solid directly converts into vapor upon heating without forming a liquid phase, used to purify sublimable solids.
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