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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
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Define the following terms.
Atom
Fill in the blank:
Liquids have a definite ............
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Give reason:
A drop of ink added to water in a glass turns whole water blue.
Give reason of We can walk through air.
Which of the following statement is incorrect?
Give a reason for the following:
Liquids have one free upper surface only.
‘Inter-particle attraction between atoms of gases is very weak’. State five properties of gases which correlate as a consequence of the weak inter-particle attraction between particles of gases.
The property to flow is unique to fluids. Which one of the following statements is correct?
