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प्रश्न
What is evaporation?
उत्तर
EVAPORATION: “The change of state of a liquid to vapour at all temperatures from the surface of the liquid is called evaporation.”
APPEARS IN
संबंधित प्रश्न
Evaporation takes place from the
Why are volatile liquids such as alcohol and spirit stored in tightly closed bottles?
Give two applications of evaporation.
Would you cool a bucket of water more quickly by placing it on ice or by placing ice in it ? Give reasons for your answer.
Why does our palm feel cold when we put some acetone (or perfume) on it ?
During summer days, water kept in an earthen pot (pitcher) becomes cool because of the phenomenon of :
The amount of vapour in 1 cu.m. of air shows the ______.
Why is the air in a region dry?
Evaporation of water from lakes and river ______.
Comment on the following statements:
Rate of evaporation of an aqueous solution decreases with increase in humidity.
