Demonstration of Osmosis:
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. The water will diffuse across sugar the membrane due to osmosis and raise the level of the solution solution in the funnel.

Explanation

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.