Advertisements
Advertisements
प्रश्न
Heat is ................... during boiling.
रिक्त स्थान भरें
Advertisements
उत्तर
Heat is absorbed during boiling.
shaalaa.com
Change of Liquid into Vapour State
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Evaporation is rapid on a wet day.
Cooling is produced in ....................
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 |
In 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.
No heat is supplied to a liquid during evaporation. How does then the liquid change into its vapours?
Comment on the statement ‘evaporation is a surface phenomenon’.
Why is cooling produced when a liquid evaporates?
What is boiling? Explain it on the basis of molecular motion?
