Advertisements
Advertisements
Question
State whether the following statement is true or false :
Red-brown bromine vapour diffuse into air in a gas jar but the colourless air molecules do not diffuse into bromine vapour.
Advertisements
Solution
The statement given here is false. Air also diffuses into the bromine vapour but because air is colourless, we are not able to see its movement.
APPEARS IN
RELATED QUESTIONS
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give a reason for the following observation.
Naphthalene balls disappear with time without leaving any solid.
Name the physical state of matter which can be easily compressed.
Write the full forms of the following
- LPG
- CNG
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.
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.
What does the diffusion of gases tell us about their particles?
Explain why, diffusion occurs more quickly in a gas than in a liquid.
How does the substance of gaseous particles change to a liquid state?
 |
|
| 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)
