Advertisements
Advertisements
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.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density-
air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Give reasons:
We can easily move our hand in air, but to do the same through a solid block of wood, we need a karate expert.
Give two reasons to justify that Water is a liquid at room temperature.
Why do gases diffuse very fast?
Why does a gas fill a vessel completely?
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
______ is not affected by gravity.
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
filling a gas container
 |
|
| 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)
