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PhysicsJAMB UTME2015

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Earlier discussion

2 older comments kept for context.

Favour Onwuchekwa

The Question was wrongly set.
\( Osmosis \)
Osmosis can be defined as the movement of water molecules from a region of dilute/ weaker solution to a region of concentrated / stronger solution through a selectively/ differentially permeable membrane.
\( Diffusion \)
Diffusion on the other hand is defined as the process by which molecules or ions of a substance move from a region of high concentration to a region of low concentration until they are evenly distributed.
NB: Osmosis is similar to Diffusion so their definitions should not be mistaken.

Oluwaseun Adeyemi

Diffusion: The movement of water vapors from regions of low concentration toward regions of high concentration

Surface tension: is a force transmitted through a sting or object surface tension = force (N) ÷ Area m2(Nm−2)