Question

What is the difference between sol and gel?

Answer 1

Sr. No.	Sol	Gel
1.	The liquid state of a colloidal solution is called a sol.	The solid or semi-solid state of a colloidal solution is called gel.
2.	The sol does not have a definite structure.	The gel possesses a honeycomb-like structure.
3.	The dispersion medium of the sol may be water.	The dispersion medium of gel will be hydrated colloid particles.
4.	The sol can be converted to gel by cooling The sol can be easily dehydrated.	The gel cannot be dehydrated.
5.	The viscosity of the sol is very low.	The viscosity of the gel is very high.
6.	Example: Blood	Example: Fruit jelly, cooked gelatin jelly.