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Question

The phenomenon in which solid directly changes into vapour is called


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Solution

Sublimation:

  • It is a phenomenon in which solids are directly converted into a gaseous phase without changing into the liquid phase.
  • This occurs when a substance acquires sufficient energy to overcome the weak attraction force of the molecule.
  • Example: Camphor on heating converts directly into the gaseous phase.

So, The phenomenon in which solid directly changes into vapour is called Sublimation.


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