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प्रश्न
Give reason for the increase in rate of evaporation of a liquid when surface area of liquid is increased.
उत्तर
SURFACE AREA INCREASES THE RATE OF EVAPORATION: On increasing the area of the surface, number of molecules escaping out from the surface increases.
APPEARS IN
संबंधित प्रश्न
Evaporation takes place only from the surface of liquid.
Temperature of a liquid rises during boiling or vaporization
Boiling is a rapid phenomenon.
Boiling occurs at ....................
Heat is ................... during boiling.
Match the column
| Column A | Column B |
| (a) Blowing air increases | (1) Increase in intermolecular separation |
| (b) Increase in pressure increases | (2) Pendulum of a clock |
| (c) Thermal expansion |
(3) Cooking utensils |
| (d) Invar | (4) Boiling point |
| (e) Pyrex glass | (5) Evaporation |
The rate of evaporation of a liquid increases when:
Do all the molecules of a liquid take part in evaporation? If not, explain your answer.
Why is cooling produced when a liquid evaporates?
Give reason for the increase in rate of evaporation of a liquid when air is blown above the liquid.
