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प्रश्न
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
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उत्तर
Air is a matter because it has weight, mass and space and it can be compressed.
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संबंधित प्रश्न
Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions.
A substance which can change its state
- wood
- oxygen
- paper
- cloth
Why liquids do not have a definite shape ?
Give reason of Why do liquids and gases flow but solids do not ?
Give reason of When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Give an experiment to explain that there are intermolecular spaces between water molecules.
Write whether the following statement are true or false.
Solids have the largest inter-molecular space.
Define the Liquid and give two examples.
A measuring cylinder is filled with water to a particular mark. A piece of solid is immersed inside the measuring cylinder. State why the level of water in the measuring cylinder will rise up. If the solid is removed, what will be the new level of the water in the measuring cylinder? Give a reason for your answer.
