Advertisements
Advertisements
प्रश्न
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Advertisements
उत्तर

Here the molecules are very tightly packed that there is no or very less intermolecular space and there is a high intermolecular force of attraction (force of cohesion).
The molecules do not move about their mean position and thus solids have a definite shape and volume.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
A solid exerts pressure .....................
What do you mean by the change of state of matter?
Fill in the blank
The physical state of a substance, which has a fixed volume but no fixed shape is ...............
Write true or false for the statement. Rewrite the false statement correctly.
If the intermolecular space is more than the intermolecular force will be weaker.
Name the phenomenon which cause the following change.
Formation of water vapour from water.
Name the phenomenon which cause the following change.
Disappearance of camphor.
Differentiate between living and non-living matter.
Match the following
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Gaps between particles |
| e | Intermolecular space | 5 | Change of state from solid to gas |
Fill in the blank with the correct word Given below.
From the three states of matter, _____ expand the least.
Gas like the state of Matter that exists at extremely cold temperatures used in the field of cryogenics.
