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प्रश्न
Which of the following is a solid?
पर्याय
Kerosene
Air
Water
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उत्तर
Apple
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संबंधित प्रश्न
Give reasons
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar
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.
Describe simple experiments to prove that solids have mass
Describe simple experiments to prove that liquids have a definite volume
Describe simple experiments to prove that gases have no definite volume or shape.
In solids, the space between the particles is less than in ______.
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 |
How the matter is grouped on the basis of physical states?
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]
