What is semipermeable?

During osmosis, net flow of water through a semipermeable membrane is

Example for semipermeable membrane ..........

After removing the hard shell of an egg by dissolving in dil. HCl, a semipermeable membrane is visible. If such an egg is kept in a saturated solution of common salt the size of the egg

FeCl_(3) on reaction with K_(4)[Fe(CN)_(6)] in aqueous solution gives a blue colour . These two solutions are separated by a semipermeable membrane as shown in the figure . Both the solutions are sufficiently dilute & osmosis will take place as there is a difference in concentration of the solutions. Imagine the experiment is carried out at 27^(@)C . The osmotic flow will take place in onedirection and not in both . Which of the following observations may be recorded after a while ?

FeCl_(3) on reaction with K_(4)[Fe(CN)_(6)] in aqueous solution gives a blue colour . These two solutions are separated by a semipermeable membrane as shown in the figure . Both the solutions are sufficiently dilute & osmosis will take place as there is a difference in concentration of the solutions. Imagine the experiment is carried out at 27^(@)C . The osmotic flow will take place in onedirection and not in both . The osmotic pressure (pi) of FeCl_(3) Solution can expressed as

What is hypermetropia? What are the causes and how is it rectified?

What is Fermentation? What are the uses of it?