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Diffusion describes the spread of particles through random motion from regions of higher concentration to regions of lower concentration. It can happen in liquids and gases.
In liquids it can be observed when some potassium permanganate crystals are put in a beaker of water and the solution turns purple after a few minutes, the crystals diffuse in the solution
In gases it can be observed when a piece of cotton wool is dipped in hydrochloric acid and another piece of cotton wool is dipped in ammonia, they are put at the ends of a glass tube and a white circle is seen to form closer to the cotton wool with HCl this proves that ammonia diffuses faster than hydrochloric acid, the white solid formed is ammonium chloride.The ammonium chloride is not formed at the centre because ammonia diffuses along the tube at a greater rate than the hydrochloric acid.
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What is intimate mixing?
in liqiuds and gases whrer diffusion is taking place we are dealing with a process called intimate mixing
Why does diffusion takes place in the leaf?
It takes place cause the leaf wants it to take place
How does the exchange of the oxygen with waste and carbon dioxide takes place in the capillaries?
Exchange takes place by diffusion .
What is the significance of alveoli?
it is where exchange of gases takes place. :)
List 3 places in the human body where diffusion takes place?
Blood cells
What is the process by which the exchange of gases takes place?
Diffusion.
Diffusion can take place if the two substances are?
Diffusion can take place in any substance, cause diffusion means the mixture of gases . In a perfume shop diffusion takes place
What is intimate mixing?
in liqiuds and gases whrer diffusion is taking place we are dealing with a process called intimate mixing
Why exchange of gases occur more efficently in air than in water?
Because in air the diffusion of gases takes place more quickly than in water.
Where in your body does diffusion take place?
diffusion takes place in the alveoli
Why does diffusion takes place in the leaf?
It takes place cause the leaf wants it to take place
What happens in gaseous exchange?
The diffusion of gases takes place from their higher concentration to lower concentration. Exchange of oxygen by carbondioxide is the usual feature of breathing by lungs.
What are stomata and what are they?
exchange of gases takes place by simple diffusion directly into each cell through the openings present in epidermis called stomata. Stomata are found on the underside of leaves. :)
How does the exchange of the oxygen with waste and carbon dioxide takes place in the capillaries?
Exchange takes place by diffusion .
Where does diffusion takes place?
In a cell in the human body diffusion takes place in the cell membrane. The cell membrane allows smaller sized molecules to pass through.
When two gases are mixed what is it called?
A process of gas diffusion occur and a mixture of gases is obtained.
What is the function of the stomata cell?
the function of stomata cell they exchange gases between the inside of the leaf and it's surroundings takes place by diffusion. The stomata cell is green due to cytoplasts.
