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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
Give reasons
The odour of scent spreads in a room.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly but do not leave the surface
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
The three main states of matter are solids, liquids, and gases. Compare the three states with reference to the following characteristics of matter
(a) volume
(b) shape
(c) compressibility
(d) diffusion.
Write the states of water.
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 |
Complete the Analogy:
Solids: incompressible:: Gas: ______.
Gases have neither a definite shape nor a definite volume.
The tendency of particles to spread out in order to occupy the available space is ______.
What is the physical state of water at 100ºC?
