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GK QUESTION#2934

The direct conversion of a substance from solid state to gaseous state without passing through the liquid phase is known as:

  1. ACondensation
  2. BSublimationCorrect answer
  3. CFusion
  4. DVaporisation
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Answer

B. Sublimation

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Explanation

Sublimation is direct conversion of a solid to gas without an intervening liquid phase. Condensation is gas to liquid, fusion is melting, and vaporisation normally refers to liquid to gas.

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