Advertisements
Advertisements
प्रश्न
Give reason :
We can walk through air.
Advertisements
उत्तर
The molecules of air are far apart i. e. large gaps and we can walk through the air easily.
APPEARS IN
संबंधित प्रश्न
Why do solids, liquids and gases differ in their physical state?
Name the terms for the force of attraction between the molecules of matter.
Define Intermolecular force of attraction.
Fill in the blank
The temperature at which a liquid boils is called the _________point of that liquids
Write whether the following statement are true or false.
There is no difference between evaporation and boiling.
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
What do you mean by inter-molecular forces?
Give two examples.
Gaseous element
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
State the correct term from A, B, C, D, E or F in List II which represents the – change of state of matter or its relevant property from List I
| List I | List II |
| 1. Solid 'X' to a liquid 'Y' | A: Liquefaction |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Solidification |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
| F: Boiling point |
