Advertisements
Advertisements
प्रश्न
Write a method by which lyophobic colloids can be coagulated.
उत्तर
Lyophobic colloids can be coagulated by the electrophoresis method. The colloidal particles move towards the oppositely charged electrodes, get discharged and precipitated.
APPEARS IN
संबंधित प्रश्न
What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?
Define the following terms: Lyophilic colloid
Out of sulphur sol and proteins, which one form multimolecular colloids?
How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?
What are lyophilic and lyophobic sols? Give one example of each type. Why are hydrophobic sols easily coagulated?
Which of the following interface cannot be obtained?
Which of the following colloids cannot be coagulated easily?
(i) Lyophobic colloids.
(ii) Irreversible colloids.
(iii) Reversible colloids.
(iv) Lyophilic colloids.
What happens when gelatin is mixed with gold sol?
Movement of dispersion medium under the influence of electric field is known as ______.
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
