Second B.Pharm (Ayurveda) Degree Supplementary Examinations, April 2016 Physical Pharmacy Time: 3 Hours Total Marks: 100 •
Answer all questions.
Essays:
(2x10=20)
1. Explain the term colloids. Discuss the optical and kinetic properties of colloids. 2. Define adsorption isotherm. Draw various types of adsorption isotherm and explain their behavior. (10x5=50) Answer briefly: 3. Differentiate between order and molecularity of a chemical reaction. 4. Describe Type I dissolution apparatus with a labelled diagram. 5. Explain steady state of diffusion. 6. Define Bulk density. How is it determined. 7. Give the working principle of Ostwald viscometer with a labelled diagram. 8. Describe methods for the purification of colloids. 9. Compare the characteristics of different types of suspension. 10. Explain viscoelasticity. 11. What are factors influencing solubility of gases in liquid. 12. Describe any two methods of determining the energy of activation. Short notes: 13. Reason for instability of colloids. 14. Emulsion. Classify the same. 15. Wetting agents. 16. RHLB. Mention the disadvantages of HLB system. 17. Fick’s first law and its applications. 18. Arrhenius equation and collision theory. 19. Rauolt’s law. 20. Gel. 21. Spreading coefficient. 22. Half life and shelf life for a first order reaction. *******************
Arrhenius equation and collision theory. 19. Rauolt's law. 20. Gel. 21. Spreading coefficient. 22. Half life and shelf life for a first order reaction. *******************.
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the work described here has been to develop a rigorous model and associated thermodynamic data for the C-S-H system, at room and elevated temperatures, which are compatible with existing NPL oxide and aqueous species databases. The CALPHAD [10] model
Ans. Incision is a soft tissue injury. It may occur due to sharp edged object of sports Equipments. or spikes etc. Sometimes arteries or veins may be cut. Blood usually comes out freely from. incision (1). Q.9 An object thrown into the space either h
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1. Ans. Increase in number of muscle fibres and size of muscle components resulting into. enlargement of skeletal muscles. Q9 What is contusion? 1. Ans. A soft tissue injury in which blood vessels in the muscles are broken and internal. bleeding may
