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Bubber Bhan

UP Board 10th Class 2021 (For Hindi Medium Students)
About UP Board Crash Course
3 years ago

1.which of the following phenomena always results in the cooling effect? a) condensation b)Evaporation c)Sublimation d)None of these

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SAFALTA CLASS

3 years ago

(b) evaporation results in a cooling effect as the particles absorb energy from their surroundings to change into vapour.

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