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B.Pharm. Fourth Semester (Old)
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35155 : Physical Pharmaceutics - I : T-4.1
Pages: 1 — AW -2301
Time : Three Hours Max. Marks : 60
Notes: 1. All questions carry equal marks.
2. Answer any five questions.
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3. Illustrate your answer with the help of neat sketches.
1. Define Surfactants, classify them & discuss HLB scale in details. 12
2. What are the methods of determination of surface area of particles, discuss in details. 12
3. a) Write about densities of powders. 6
b) Define thixotropy & Write the importance of thixotropy in formulations. 6
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4. Write Fick's second law of diffusion & describe steady state of diffusion. 12
5. Describe various types of viscometers in details. 12
6. Classify complexes & discuss metal complexes in details. 12
7. Write short notes any two. 12
a) Bulges & Spurs.
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b) Protein Binding.
c) Flow properties of powders.
d) Spreading coefficient.
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