πŸ“Š Physical Pharmaceutics 2
Q. Electrodialysis method is employed in the colloidal chemistry for the purpose of :
  • (A) Indentification
  • (B) preparation
  • (C) Purification
  • (D) Stabilization
πŸ’¬ Discuss
βœ… Correct Answer: (C) Purification
πŸ“Š Physical Pharmaceutics 2
Q. Solutions of proteins and starch in water are the examples of the colloidal type:
  • (A) hydrophilic
  • (B) hydrophobic
  • (C) lyophilic
  • (D) lyophobic
πŸ’¬ Discuss
βœ… Correct Answer: (A) hydrophilic
πŸ“Š Physical Pharmaceutics 2
Q. The criterion to call a system ‘colloid’ is
  • (A) a fine state of subdivision of dispersed phase
  • (B) dispersed particles are in the size range of 1 nm to 1 µm
  • (C) interface is very extensive
  • (D) the presence of dispersed phase in a dispersion medium
πŸ’¬ Discuss
βœ… Correct Answer: (B) dispersed particles are in the size range of 1 nm to 1 µm
πŸ“Š Physical Pharmaceutics 2
Q. An example for colloidal systems is:
  • (A) clays and gels
  • (B) ointments and pastes
  • (C) solutions of soaps and proteins
  • (D) suspensions and emulsions
πŸ’¬ Discuss
βœ… Correct Answer: (C) solutions of soaps and proteins