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Define:

  1. Fusion or melting
  2. Freezing
  3. Sublimation

 

Asked by Topperlearning User 14th May 2015, 1:02 PM
Answered by Expert
Answer:
  1. Fusion or melting: The process by which a solid changes into liquid state at a constant temperature by absorption of heat is called as fusion or melting. Example: Ice (solid) melts into water (liquid) at a temperature of 0°C and wax melts at 63°C.
  2. Freezing: The process by which a liquid changes into its solid state at a constant temperature by releasing heat is called as freezing. Example: Water (liquid) freezes into ice (solid) at a temperature of 0oC.
  3. Sublimation: The process in which a solid directly converts into its gaseous state at all temperatures is called as sublimation. Example: Camphor or naphthalene.

 

Answered by Expert 14th May 2015, 3:02 PM
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