What is called conversion from a liquid state to a gaseous state?

A. Oxidization

B. Sublimation

C. Evaporation

D. Condensation

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NTPC Tier I (Held On: 5 Apr 2016 Shift 1)
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  1. C
  2. D
  3. A
  4. B

Answer (Detailed Solution Below)

Option 1 : C
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Detailed Solution

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The correct answer is Evaporation.

Key Points

  • Evaporation is the process by which water changes from a liquid to a gas or vapor. Evaporation is the primary pathway that water moves from the liquid state back into the water cycle as atmospheric water vapor.
  • The oceans, seas, lakes, and rivers provide nearly 90 percent of the moisture in the atmosphere via evaporation, with the remaining 10 percent being contributed by plant transpiration.

Important Points

  • Sublimation is the conversion between the solid and the gaseous phases of matter, with no intermediate liquid stage. an example of sublimation is naphthalene, dry ice.
  • Condensation is the process by which water vapor in the air is changed into liquid water. Condensation is crucial to the water cycle because it is responsible for the formation of clouds. Condensation is the opposite of evaporation.
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