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प्रश्न
Give two reasons for saying that wood is a solid.
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उत्तर
Wood is a solid because it has a fixed shape and volume, and it is rigid and cannot be compressed.
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संबंधित प्रश्न
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first) : Water, Sugar, Oxygen
Describe simple experiments to prove that gases have mass.
State the property of the following substance.
Sodium nitrate is soluble in water, but calcium carbonate is not.
Complete the given analogy.
Solid: Rigidity:: Gas: ______
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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| 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 |
Intermolecular forces of attractions are maximum in ______.
Define the term ‘Diffusion’.
What is the physical state of water at 100ºC?
The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.
[Take : NA = 6 × 1023, Atomic mass of Ar = 40]
