McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Pharmacy (B. Pharma) , Pharmacy .
Chapters
| 51. |
A .......... is a mixture in which one substance of microscopically dispersed insoluble particles is suspended through another substance. |
| A. | Suspension |
| B. | Colloid |
| C. | Emulsion |
| D. | None of the above |
| Answer» A. Suspension | |
| 52. |
Few colloids are translucent because of the .. |
| A. | Tyndall effect |
| B. | Splitting effect |
| C. | Scattering |
| D. | None of the above |
| Answer» A. Tyndall effect | |
| 53. |
The comparatively fast sedimentation rate of the dispersed phase produced by means of gravity or other forces this is characteristic of.............. |
| A. | Colloidal dispersion |
| B. | Coarse dispersion |
| C. | Both of the above |
| D. | None of the above |
| Answer» B. Coarse dispersion | |
| 54. |
The molecule in the molecular dispersion phase have size............. |
| A. | Less than 10 nm |
| B. | More than 1 nm |
| C. | Less than 1 nm |
| D. | More than 10 nm |
| Answer» C. Less than 1 nm | |
| 55. |
The .......... colloids have strong attraction towards solvents. |
| A. | Lyophilic |
| B. | Lyophobic |
| C. | Associated |
| D. | None of the above |
| Answer» A. Lyophilic | |
| 56. |
.......... is the method accountable for the development of stable dispersion of colloidal particles in dispersion medium. |
| A. | Coacervation |
| B. | Peptization |
| C. | Flocculation |
| D. | Coagulation |
| Answer» B. Peptization | |
| 57. |
The phenomenon which involves separation of macromolecular solutions into two liquid layers is called as......... |
| A. | Liquid separation |
| B. | Coagulation |
| C. | Flocculation |
| D. | Coacervation |
| Answer» D. Coacervation | |
| 58. |
…..is directly proportional to the molecular weight of lyophilic colloid. |
| A. | Solubility |
| B. | Turbidity |
| C. | Density |
| D. | None of the above |
| Answer» B. Turbidity | |
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