Question

b. Water changes to water vapour on heating .give reason
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Answer 1

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When liquid water is heated to boiling point, 100 degrees Celsius (212 F), it turns into vapor. Water vapor can also be produced directly from ice; this is called sublimation. ... Water vapour is a big cause of the greenhouse effect. Water vapor is invisible but when it condenses it makes visible water.

Explanation:

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Answer 2

Answer:

The process in which water changes into water vapour on heating is called Evaporation.

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