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प्रश्न
Give reasons
We can walk through air.
उत्तर
The molecules of air are far apart i.e. large gaps hence we can walk through air easily.
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संबंधित प्रश्न
Give reasons
The odour of scent spreads in a room.
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A red ink drop added to small amount of water in a glass turns the water red in some time.
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For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
State the property of the following substance.
The melting point of ice is 0°C.
Which of the following is a solid?
Match the following.
| Srl. no. | A | B | C |
| i | Separation of visible undesirable components | Water mixed with chalk powder | Magnetic Separation |
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| v | Separation of solids from liquids | Husk and paddy | Winnowing |
What is the physical state of water at 0°C.
The feather and paper cup can float on the water.
