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Questions and Answers
What is the process of mixing negatively and positively charged hydrophilic colloids, resulting in the separation of particles to form a layer rich in colloidal aggregates?
What is the process of mixing negatively and positively charged hydrophilic colloids, resulting in the separation of particles to form a layer rich in colloidal aggregates?
- Coacervation (correct)
- Sensitization
- Salting Out
- Coagulation
What is the result of adding a small amount of hydrophilic or hydrophobic colloid to a hydrophobic colloid of opposite charge?
What is the result of adding a small amount of hydrophilic or hydrophobic colloid to a hydrophobic colloid of opposite charge?
- Dispersion of the colloidal particles
- Coagulation of the particles (correct)
- Stabilization of the system
- Protection of the hydrophobic colloid
What is the purpose of adding a large amount of hydrophilic colloid to a hydrophobic colloid?
What is the purpose of adding a large amount of hydrophilic colloid to a hydrophobic colloid?
- To sensitize the particles
- To stabilize the system (correct)
- To coagulate the particles
- To disperse the particles
What happens when a less polar solvent is added to a colloidal solution?
What happens when a less polar solvent is added to a colloidal solution?
What is the main reason behind the stability of lyophobic sols?
What is the main reason behind the stability of lyophobic sols?
What is the role of a positively-charged polymer in a negatively-charged colloidal silica solution?
What is the role of a positively-charged polymer in a negatively-charged colloidal silica solution?
What is the result of mixing oppositely charged colloids?
What is the result of mixing oppositely charged colloids?
How do hydrophilic colloids protect hydrophobic colloids?
How do hydrophilic colloids protect hydrophobic colloids?
What is the process of agglomeration and precipitation of lyophilic colloids?
What is the process of agglomeration and precipitation of lyophilic colloids?
What is the effect of adding moderate amounts of electrolytes to lyophilic sols?
What is the effect of adding moderate amounts of electrolytes to lyophilic sols?
What is the arrangement of anions in decreasing order of their precipitating power?
What is the arrangement of anions in decreasing order of their precipitating power?
What is the result of adding large amounts of electrolytes to lyophilic sols?
What is the result of adding large amounts of electrolytes to lyophilic sols?
What is the primary function of colloidal solutions in therapy?
What is the primary function of colloidal solutions in therapy?
Why do lyophobic colloids prevent flocculation in suspensions?
Why do lyophobic colloids prevent flocculation in suspensions?
What is the primary reason for the use of colloidal systems in absorption?
What is the primary reason for the use of colloidal systems in absorption?
What is the primary application of liposomes in targeted drug delivery?
What is the primary application of liposomes in targeted drug delivery?
What is the role of FeCl3 in blood clotting?
What is the role of FeCl3 in blood clotting?
What is the application of colloidal solutions in photography?
What is the application of colloidal solutions in photography?
