Advertisements
Advertisements
प्रश्न
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
उत्तर
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
संबंधित प्रश्न
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Write the full forms of the following
- LPG
- CNG
State two characteristic properties of a gas.
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.
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 reason for the following observation :
The smell of hot sizzling food reaches us even from a considerable distance but to get the smell from cold food, we have to go close to it.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
compressibility
Which of the following is TRUE about gaseous state?
