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Demonstrate an experiment to prove osmos...

Demonstrate an experiment to prove osmosis.

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Thistle funnel experiment :
(i) Mouth of a thistle funnel is tied with goat bladder. It acts as a semipermeable membrane.
(ii) Pour concentrated sugar solution in the thistle funnel and mark the level of solution.
(iii) Place this in a beaker of water. After some time water level in the funnel rises up steadily.
(iv ) This is due to the inward diffusion of water molecules through the semipermeable membrane .
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