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प्रश्न
Describe simple experiments to prove that gases occupy space.
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उत्तर
occupy space
Experiment:
‘A’ – A glass beaker or bowl is half-filled with water.
‘B’ – An empty glass tumbler [which of course contains air] is inverted a lowered inside it.
‘C’ – On tilting the tumbler, the air is displaced and bubbles are seen coming out.
Conclusion: Air or gases occupy space.

संबंधित प्रश्न
Explain why, the diffusion of a solid in another solid is a very slow process.
Give two reasons for saying that wood is a solid.
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, L.P.G, carbon- dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Give reasons:
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass remains unchanged.
Give reasons
A red ink drop added to small amount of water in a glass turns the water red in some time.
Write whether the following statements are true or false:
Only water can exist in three different states
Describe simple experiments to prove that gases have mass.
Describe simple experiments to prove that gases have no definite volume or shape.
Identify the state of matter based on the arrangement of the molecules.

The force of attraction between liquid particles is more than solid particles.
