Class 6 Chemistry Air Around us Water Vapour

Water Vapour

  • It is the gaseous state of water.

Importance of Water

  1. It contributes to the water cycle.
  2. It is a greenhouse gas and helps in trapping heat.
  3. Water vapour is added to the atmosphere by
    1. Evaporation
    2. Transpiration



  1. The amount of water vapour present in the air. It varies from place to place.


  1. The process by which plants give out excess water in the form of water vapour.

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