A bottle of perfume is opened in the room opposite to you and within minutes you begin to smell the perfume. This phenomenon is a classic example of

Dialysis

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Osmosis

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Active transport

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Diffusion

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Solution

The correct option is D Diffusion
Diffusion is the process of spreading of the gaseous molecule according to their kinetic energy. In this process, particles move from an area of high concentration to an area of low concentration. If the perfume is sprayed in one corner of a room, it will be smelt soon after in the opposite corner. Since the perfume molecules are in constant random motion they bump into each other causing some molecules to be occasionally sent hurtling out of the mass. Gradually, the molecules spread out.

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Similar questions

Q. A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behaviour of perfume vapours.

Q. Which of the following phenomenon occurs when we open a bottle of perfume and its smell spreads in the entire room with in a short time?

Q. In a closed room of

1000 m^{3}

, a perfumed bottle is opened up. The room develops smell. This is due to which property of gases?

Whenever a bottle of perfume is opened in a corner, we can identify its smell all over the room. So, what can we infer from this?

Whenever a bottle of perfume is opened in a corner, we can identify its smell across the room. Choose the correct option of what happens in this process.

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