Aim : To demonstrate the process of osmosis, using Thistle funnel.
Materials Required : Beaker, Thistle funnel, semi permeable membrane, sucrose solution.
Procedure : A thistle funnel whose mouth is covered with a semipermeable membrane, is filled with sucrose solution. It is kept inverted in a beaker containing water.
Observation : The water will diffuse across the membrane due to osmosis and raise the level of the solution in the funnel.
Inference : Raise of liquid in the funnel indicates the process of osmosis.
