Download SGBAU B-Pharma 2019 Summer 3rd Sem Sem III Physical Pharmaceutics I Old Question Paper

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35149 : Physical Pharmaceutics - 1 : T-3.1

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Pages: 1 AW - 2295
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 necessary with the help of neat sketches.
4. Use of pen Blue/Black ink/refill only for writing the answer book.

1. a) Write in brief on applications of thermodynamics in pharmacy. (6)
   b) Write the differences between amorphous and crystalline solids. (6)
2. State Nernst distribution law? Give it's limitations. How ionic dissociation and molecular association affect on partition of solute between immiscible liquid system. (12)

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3. Write about the solubility of weak electrolytes. Add note on foreign substance influence in mutual solubility of liquids. (12)
4. What is interfacial properties of suspended particles? Explain the different sedimentation parameters. (12)
5. a) What are colloids? Classify different colloids with examples. (6)
   b) Discuss electrical properties of colloids. (6)
6. Discuss theories of emulsification in details. (12)

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7. Write a note on any two. (12)
   1. Factors affecting on reaction rate.
   2. Polymorphism.
   3. Preservation of emulsion.
   4. Wetting of particles.

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