Colloidal Dispersion Quiz Online Practice Test

1. Fog is an example of which colloidal system?

2. Which property of colloids is unaffected by particle charge?

3. What term describes the protecting power of a lyophilic colloid?

4. What is a commonly employed method for disrupting colloids?

5. Which compound forms micelles upon increasing its concentration in aqueous solution?

6. What happens when the concentration of surfactant molecules exceeds the critical micelle concentration (CMC)?

7. The effectiveness of an ion in coagulating a specific colloid depends on:

8. Which of the following represents an associated colloid?

9. In a micelle, how are the non-polar hydrophobic and polar hydrophilic groups typically arranged?

10. Which type of colloidal solution do solutions of proteins and starch in water represent?

11. Electrodialysis is used in colloidal chemistry primarily for:

12. Silica gel is classified as which type of gel?

13. Which of the following does not spontaneously form a colloid?

14. Sulphur sol is classified as which type of colloid?

15. Which gel exhibits thixotropic behavior?

16. Which type of colloidal dispersion typically requires the addition of electrolytes in small amounts for stabilization?

17. Which of the following colloids is challenging to prepare?

18. In high concentrations, electrolytes destabilize a lyophilic sol by a process known as:

19. The dispersion of acacia in water forms a colloid of which type?

20. What effect does the addition of alcohol have on a hydrophilic colloid?