Emulsion mcqs with answers
- 1. Emulsion- Biphasic liquid dosage form By – Megha N. Pampatwar Assistant Professor Subject- Pharmaceutics D. K. Patil Institute of Pharmacy
- 2. 1. Emulsion is A. Liquid dosage form B. Biphasic liquid dosage form C. Two immsicible liquid containing dosage form D. All of the above Ans : All of the above 2 DKPIOP
- 3. 2. Which dye used in dye test to identify type of emulsion. A. Crystal violet B. Scarlet red C. Safranin D. Scarlet green Ans : Scarlet red 3 DKPIOP
- 4. 3. In conductivity test bulb glows on passing the electric current the emulsion is... Type A. O/W type B. W/O type C. Coarse emulsion D. Fine emulsion Ans : O/W type 4 DKPIOP
- 5. 4. If emulsion breaks on its dilution with water then emulsion is..... A. O/W type B. W/O type C. Coarse emulsion D. Fine emulsion Ans : W/O type 5 DKPIOP
- 6. 5. In case of volatile oil emulsion ratio of oil: water: gum is A. 2:2:1 B. 4:2:1 C. 3:2:1 D. 1:2:1 Ans : 2:2:1 6 DKPIOP
- 7. 6. Thermodynamically emulsion is A. Stable B. Unstable C. Both D. None Ans : Unstable 7 DKPIOP
- 8. 7. Phase inversion can be minimised by A. Storing in a cool place B. With 30-60% concentration of disperse phase C. Addition of proper emulsifying agent D. All of the above Ans : All of the above 8 DKPIOP
- 9. 8. Cracking means A. Separation of two layers B. Upward movement of dispersed globules to form thick layer at surface C. Change the type of emulsion D. None of the above Ans : Separation of two layers 9 DKPIOP
- 10. 9. Upward movement of dispersed globules to form thick layer at surface is found in A. Cracking B. Mottling C. Creaming D. Phase inversion Ans : Creaming 10 DKPIOP
- 11. 10. Emulsifying agent reduce ..... Between two phases. A. Viscosity B. Colour C. Interfacial tension D. Both A and B Ans : Interfacial tension 11 DKPIOP