Question

What is meant by diffusion? Give two example of diffusion of gas.​

Answer 1

Answer:

Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.

Explanation:

examples of diffusion gases:-

1) You can smell perfume because it diffuses into the air and makes its way into your nose.

2) Cigarette smoke diffuses into the air.

3) A few crystals of potassium permanganate in water will diffuse and turn the water purple.

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Answer 2

(a) Diffusion is the mixing of a substance with another substance due to the motion of its particles. The smell of perfume spreads over a whole room is an example for diffusion. (b) Gases diffuse fast because of the large space between the particles in gases and high kinetic energy.

(a) Diffusion is the mixing of a substance with another substance due to the motion of its particles. The smell of perfume spreads over a whole room is an example for diffusion. (b) Gases diffuse fast because of the large space between the particles in gases and high kinetic energy.The movement of materials from an high pressure area to a low pressure area is known as diffusion. Diffusion can occur in gases and liquids. In liquids, if it happens through a semi-permeable membrane, it is called osmosis.

(a) Diffusion is the mixing of a substance with another substance due to the motion of its particles. The smell of perfume spreads over a whole room is an example for diffusion. (b) Gases diffuse fast because of the large space between the particles in gases and high kinetic energy.The movement of materials from an high pressure area to a low pressure area is known as diffusion. Diffusion can occur in gases and liquids. In liquids, if it happens through a semi-permeable membrane, it is called osmosis.Example, If there is CO2 filled in a room, and if you open that room, the air from outside and CO2 will diffuse with each other.

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