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

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B. Pharmacy (CBCS Course)

35382: Physical Pharmaceutics - I: BP 302 T

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Pages: 2 : AW -2345

Time: Three Hours Max. Marks: 75

Notes:

1. Answer All questions.
2. Illustrate your answer necessary with the help of neat sketches.

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3. Use of pen Blue/Black ink/refill only for writing the answer book.

1: All questions are compulsory. 2x10 = 20

1. Give solubility expression in terms of part of solvent & solute.
2. Discuss eutectic mixture.
3. Define surface tension and write unit for it’s measurement.

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4. Define polymorphism.
5. Define buffers & give two examples.
6. Give applications of wetting agents.
7. Define complexations.
8. What is pH scale. Enlist methods of measurement of pH.

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9. Add a note on sublimation.
10. Enlist methods used for measurement of surface tension.

2. Solve any two. 10x2 = 20

1. Enlist the factors affecting solubility of drugs? Discuss the effect of pH & effect of solvent in details.
2. Give classification of complexes. Discuss metal ion complexes or organic molecular complexes.

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3. Explain ring detachment method and drop-count-method used for determination of surface tension & interfacial tension.

3 Solve any seven. 5x7 = 35

1. State Raoult’s law of Ideal solution for solubility of liquids in liquids.
2. Add a note on HLB scale.
3. Define surfactants. Give its applications.

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4. Add a note on protein binding.
5. Explain spreading co-efficient.
6. Describe wetting and detergency phenomenon.
7. Define CMC. Explain method of determination of CMC.
8. Define Isotonicity? Enlist the methods for adjustment of tonicity & discuss any one in brief.

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