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प्रश्न
A liquid can change into vapour state at all temperatures.
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उत्तर
is Evaporation.
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संबंधित प्रश्न
How does water kept in an earthen pot (matka) become cool during summer?
Why does our palm feel cold when we put some acetone or petrol or perfume on it?
Water in a dish evaporates faster than in a bottle. Give reason.
A patient suffering from high fever is advised to put wet clot strips on his forehead. Why?
Why does our palm feel cold when we put some acetone (or perfume) on it ?
Which of the following are also considered to be the states of matter ?
- Plasma
- Platelets
- BEC
- BHC
The ______ of air is dependent on the temperature of air.
The amount of vapour in 1 cu.m. of air shows the ______.
Evaporation of water from lakes and river ______.
Comment on the following statements:
Rate of evaporation of an aqueous solution decreases with increase in humidity.
