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प्रश्न
Describe simple experiments to prove that gases have no definite volume or shape.
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उत्तर
Have no definite volume or shape
Experiment:
A gas takes up the volume of any enclosed space filling it up completely.
Conclusion: Gases take up any volume and hence all gases have no definite volume.
संबंधित प्रश्न
Give one example of the diffusion of a solid in another solid.
Compare the properties of solids, liquids and gases in tabular form.
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.
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
Describe simple experiments to prove that liquids have a definite volume
Describe simple experiments to prove that liquids have no definite shape
State the property of the following substance.
Sodium nitrate is soluble in water, but calcium carbonate is not.
Which of the following are the states of matter?
Match the following.
| Srl. no. | A | B | C |
| i | Separation of visible undesirable components | Water mixed with chalk powder | Magnetic Separation |
| ii | Separation of heavier and lighter components | Sand and water | Decantation |
| iii | Separation of insoluble impurities | Iron impurities | Filtration |
| iv | Separation of magnetic components from non-magnetic components | Rice and stone | Hand-picking |
| v | Separation of solids from liquids | Husk and paddy | Winnowing |
What is the physical state of water at 100ºC?
