Advertisements
Advertisements
प्रश्न
A liquid can change into vapour state at all temperatures.
उत्तर
is Evaporation.
APPEARS IN
संबंधित प्रश्न
Why does a desert cooler cool better on a hot dry day?
Explain with an example to demonstrates that when a liquid evaporates, it takes heat from its surroundings.
If the back of your hand is moistened with alcohol, you will find that it rapidly becomes dry. Why is it that while it is drying, your hand feels cool ?
How does the water kept in an earthen pot (matka) become cold during summer ?
Why does our palm feel cold when we put some acetone (or perfume) on it ?
The amount of vapour in 1 cu.m. of air shows the ______.
Can you suggest a method to collect water from sea water?
Evaporation of water from lakes and river ______.
Look at Fig. 1.3 and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain.
Evaporation is a fast process and occurs only at the surface of the liquid.
