Give reasons:

(g) When an empty gas jar is inverted over a gas jar containing a coloured gas the gas also spreads into the empty jar.

Open in App

Solution

When a gas jar full of red vapours is inverted over a gas jar containing air over it.
It is observed that after some time, the red vapours also spread out into the upper jar.
This mixing is called diffusion.
The rate of diffusion is the fastest in gases and the slowest in solids.

Suggest Corrections

Similar questions

What do you observe when a gas jar which appears empty is inverted over a gas jar containing Bromine vapours ? Name the phenomenon.

Dense white fumes are obtained when a jar of HCl gas is inverted over a jar of ammonia gas. Give reasons

When a gas jar containing air is inverted over a gas jar containing bromine vapour, the red-brown bromine vapour diffuse into air. Explain how bromine vapour diffuse into air.

Q. 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.

Q. Give reason: A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.

Join BYJU'S Learning Program

Explore more

Air Pressure

Standard VII Physics

Join BYJU'S Learning Program

Give reasons:​ (g) When an empty gas jar is inverted over a gas jar containing a coloured gas the gas also spreads into the empty jar.​

When a gas jar full of red vapours is inverted over a gas jar containing air over it. ​ It is observed that after some time, the red vapours also spread out into the upper jar. ​ This mixing is called diffusion. ​ The rate of diffusion is the fastest in gases and the slowest in solids.​

Give reasons:

(g) When an empty gas jar is inverted over a gas jar containing a coloured gas the gas also spreads into the empty jar.

When a gas jar full of red vapours is inverted over a gas jar containing air over it.
It is observed that after some time, the red vapours also spread out into the upper jar.
This mixing is called diffusion.
The rate of diffusion is the fastest in gases and the slowest in solids.