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प्रश्न
What does the diffusion of gases tell us about their particles?
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उत्तर
The diffusion of gases tells us that:
- Matter consists of tiny particles, that have space between them.
- The particles of matter are in constant motion.
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संबंधित प्रश्न
Give reasons:
A gas exerts pressure on the walls of the container.
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.
Name the three states of matter. Give one example of each.
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.
Give one example of diffusion of gases in a liquid.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Why does a gas exert pressure?
A student placed a gas jar containing air in the upside down position over a gas jar full of red-brown bromine vapours. He observed that the red-brown colour spread upwards into the jar containing air. Based on this observation, the student concluded that it is only the bromine vapour which moves up and diffuses into air in the upper jar, the air from the upper jar does not move down by diffusion into the lower jar containing bromine vapours. Do you agree with this conclusion of the student? Give reason for your answer.
The space between ______ particles is the greatest one.
Which of the following is false for gases?
