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प्रश्न
Fill in the following blank with suitable words :
At room temperature, the forces of attraction between the particles of solid substances are ....................... then those which exist in the gaseous state.
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उत्तर
At room temperature, the forces of attraction between the articles of solid substances are much more than those which exist in the gaseous state.
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संबंधित प्रश्न
Give a reason for the following observation.
Naphthalene balls disappear with time without leaving any solid.
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
Which of the two diffuses faster : a liquid or a gas?
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.
Give one example of diffusion of gases in a liquid.
Why does a gas exert pressure?
The space between ______ particles is the greatest one.
Comment upon the following:-
filling a gas container
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| Fig. I | Fig. II |
In figure-I, an air column of length ℓ1 is entrapped by a column of Hg of length 8 cm. In figure-II length of same air column at the same temperature is ℓ2. The `ℓ_1/ℓ_2` is:
(1 atm = 76 cm of Hg)
