Give examples of : Hydrophilic colloids and Hydrophobic colloids ^_^
Answers
The term "lyuophilic" emerges from the element which loves liquids or is liquid loving.
There are certain substances that have a affinity towards some liquids and hence forms colloidal dispersion with them readily.
When water is being used as a dispersion medium, those colloids are known as hydrophilic colloids.
Gelatin, Arabic gum, starch are some examples of hydrophilic colloids.
The term lyophilic means that those that hate liquids or any kind of solvents.
Their sols are repared through a specialized technique and are known as hydrophobic sols.
Sols of metals like platinum sol, gold sol etc are insoluble substances and therefore examples of lyophilic sols.
Answer:
Hydrophilic colloids example: Gelatin in water.
Hydrophobic colloids example: small droplets of oil.