MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your GPAT knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The greater the thixotropy, the ..... is physical stability of suspension |
| A. | lower |
| B. | higher |
| C. | equal |
| D. | no change |
| Answer» C. equal | |
| 2. |
Non-Newtonian flow can be described by using |
| A. | shear viscosity |
| B. | true viscosity |
| C. | apparent viscosity |
| D. | none of the above |
| Answer» D. none of the above | |
| 3. |
Unit of surface tension is |
| A. | dyne/meter |
| B. | dyne/cm |
| C. | cc/cm |
| D. | none of the above |
| Answer» C. cc/cm | |
| 4. |
As the temperature increases, the surface tension |
| A. | increases |
| B. | decreases |
| C. | no change |
| D. | none of the above |
| Answer» C. no change | |
| 5. |
Surfactants are characterized by the presence of |
| A. | water solubilizing and fat solubilizing groups in the same molecule |
| B. | only negative charges |
| C. | only positive charges |
| D. | none of the above |
| Answer» B. only negative charges | |
| 6. |
Bubble point test is done to determine |
| A. | the surface tension of the liquid in capillary tubes |
| B. | the viscosity of the liquid in ampoules |
| C. | the pH of a 1% solution |
| D. | the volume of the solution stored in a specified container |
| Answer» B. the viscosity of the liquid in ampoules | |
| 7. |
All of the following physicochemical constants are useful in predicting the solubility of a drug except |
| A. | Dielectric constants |
| B. | pH of a solution |
| C. | Valency |
| D. | pKa of the drug |
| Answer» D. pKa of the drug | |
| 8. |
The pH of pharmaceutical buffer system can be calculated by |
| A. | pH partition theory |
| B. | Noyes whitney law |
| C. | Henderson-Hasselbaltch equation |
| D. | Michalis Menten Equations |
| Answer» D. Michalis Menten Equations | |
| 9. |
The colligative property are related to the |
| A. | Total number of solute particles |
| B. | pH |
| C. | Number of ions |
| D. | Number of ingredients |
| Answer» B. pH | |