He and Ar are monoatomic gases and their atomic weights are 4 and 40 .under similar conditions He will diffuse through semim permeable membrane 3.16 times as fast as Ar HOW?

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Q. The gases

A

and

B

are kept in two cylinders and allowed to diffuse through a small hole. If the time taken by gas

A

is four times the time taken by gas

B

for diffusion of equal volume of gas under similar conditions of temperature and pressure, what will be the ratio of their molecular weights?

H_{2}

gas will diffuse as quickly as oxygen?

Q. Diffusion takes place through a semi-permeable membrane.

Which of the following statements are true/false?
(a) The positive hydrostatic pressure is called as turgor pressure.
(b) Wall pressure exerts to prevent the increase of protoplasm size.
(c) Diffusion is more rapid in liquids than in gases.
(d) Diffusion of water through a semi-permeable membrane is called as imbibition.
(e) Osmosis is movement of substances, which takes place along a diffusion gradient.

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