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Monday, January 4, 2016

August 2014 Question Paper of Dr. MGR University Physical Pharmaceutics

Dr. MGR University Question Paper
[LF 4256] AUGUST 2014 Sub. Code: 4256
Q. P. Code: 564256
Time: Three Hours Maximum: 100 Marks
Answer All Questions
I. Essay Questions: (2 x 20 = 40)
1. a) What is Kinetics? Define order of reaction.
Distinguish between the first order and zero order reaction.
Explain the methods to determine the order of reaction.
b) Methods to determine specific surface area of powders.
2. a) What is an emulgent. Classify emulgents with suitable example.
Explain the mechanism of action of emulgent.
b) Write about the Fick’s laws of diffusion.
II. Short Notes: (8 x 5 = 40)
1. Isotonic solutions and tonicity adjustment.
2. Inorganic complexes in pharmacy.
3. Electric properties of interface.
4. Thioxtrophy.
5. Purification of colloids.
6. Stability of suspensions with sedimentation parameter.
7. Explain Do-nouy ring method.
8. Significance of protein binding.
III. Short Answers: (10 x 2 = 20)
1. Spreading coefficient.
2. Carrier mediated transport.
3. CMC.
4. Bancraft rule.
5. Creaming and cracking.
6. Porosity.
7. Edmunson equation.
8. HLB.
9. Types of viscometer.
10. Non-newtonian system.

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