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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
Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Write your observation and conclusion for the following.
When a small stone is gently dipped into a glass filled with water.
Fill in the blank:
Water boils at ............
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
Fill in the blank
When a gas is cooled, its molecules ________ energy,
Which single term is used to describe the mixing of copper sulphate and water kept in a beaker, on its own?
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to volume.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free surfaces.
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.
In a glass containing some water, tamarind juice and sugar are added and stirred well. Is this a mixture? Can you tell why? Will this solution be sweet or sour or both sweet and sour?
