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प्रश्न
There are large intermolecular gaps in
विकल्प
water
iron ball
common salt
air
उत्तर
air
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संबंधित प्रश्न
Give reason for the following.
Pure substances have fixed melting or boiling points.
How will you prove by an experiment that solids occupy space ?
Give reason:
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Write whether the following statement is true or false.
Only water can exist in three different states.
For the following statement, say whether it describe a solid, a liquid or a gas.
Particles are quite close together.
Give reason of Why do liquids and gases flow but solids do not ?
Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a karate expert.
State in which of the three states of matter:
Are the atoms or particles far apart
In which of the three states of matter – solids, liquids, or gases is the movement of atoms about their own position. Give a reason for the same.
Match the following.
| Property | Example |
| Breaks easily (Brittle) | Metal pan |
| Bends readily | Rubber band |
| Can be stretched easily | Cotton wool |
| Gets compressed easily | Mud pot |
| Gets heated readily | Plastic wire |
