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प्रश्न
In evaporation
विकल्प
all molecules of liquid begin to escape out
only the molecules at the surface escape out
the temperature of liquid rises by absorbing heat from surroundings.
the molecules get attracted within the liquid.
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उत्तर
only the molecules at the surface escape out
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संबंधित प्रश्न
Evaporation is rapid on a wet day.
Evaporation takes place only from the surface of liquid.
Temperature of a liquid rises during boiling or vaporization
Evaporation takes place at ................. .
The molecules of liquid ............. heat from surroundings in evaporation.
Heat is ................... during boiling.
During boiling or vaporization
Comment on the statement ‘evaporation is a surface phenomenon’.
Give reason for the increase in rate of evaporation of a liquid when surface area of liquid is increased.
Name two ways of change of liquid state to the vapour state and distinguish them.
