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Q. A mixture of span 20 and tween 20 forms....... type of emulsion

Q. In the hydrolysis of sucrose in hydrochloric acid solution, the change in the optical rotation follows the order:

Q. When oil and water are triturated together, the interfacial free energy was observed to be increased. What does it indicate?:

Q. Name the type of colloidal dispersion to which electrolytes are normally added in small quantities to stabilize:

Q. The type of a particle diameter obtained largely depends on:

Q. The protamine-zinc insulin suspension is prepared by a method viz.,:

Q. The continuous collisions between the colloidal particles and molecules of dispersion medium produce zigzag movement of colloidal particles which is known as

Q. Thixotropic type of behavior is shown by the gel:

Q. For the validity of accelerated stability studies of solution dosage form, the energy of activation should be in the range of (in units of kcal/mole).

Q. In practice, an acceptable suspension should have particles: