Name the phenomenon which causes the following changes:

(a) Formation of water vapour from water.

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Solution

The phenomenon is vaporisation.

Vaporization is conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase.

Here water (liquid) changes into water vapour which is its gaseous form so the phenomenon is vaporisation.

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Question 11

Can we reverse the following changes? If yes, suggest the name of the method.
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Standard IV Science

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Name the phenomenon which causes the following changes: (a) Formation of water vapour from water.

The phenomenon is vaporisation. Vaporization is conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase. Here water (liquid) changes into water vapour which is its gaseous form so the phenomenon is vaporisation.

Name the phenomenon which causes the following changes:

(a) Formation of water vapour from water.

The phenomenon is vaporisation.

Vaporization is conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase.

Here water (liquid) changes into water vapour which is its gaseous form so the phenomenon is vaporisation.