Rajiv Gandhi University of Health Sciences, Karnataka
II Year B. Pharm Degree Examination — 03-Jan-2020
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Time: Three Hours Max. Marks: 70 Marks
PHYSICAL PHARMACEUTICS (RS - 4)
Q.P. CODE: 2630
Your answers should be specific to the questions asked.
Draw neat, labeled diagrams wherever necessary.
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LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks
- Define Adsorption isotherm. Explain Freundlich and Langmuir adsorption Isotherms.
- Define the mechanism of thixotropy and give its applications in pharmacy.
- Discuss the kinetic and optical properties of colloids.
SHORT ESSAYS (Answer any Six) 6 x 5 = 30 Marks
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- Explain the effect of molecular association and dissociation of a solute on distribution law using relevant equation.
- Explain the factors influencing the rate of reaction
- Write a note on assembly of different diffusion apparatus
- What are hydrophobic colloids? Describe any four preparation methods.
- With the help of neat diagram explain principle and working of coulter counter method to determine the particle size
- Explain organic molecular complexes with example.
- Explain physical degradation of pharmaceuticals and its preventive measures.
- Enumerate different methods of analysis of complex. Explain pH titration method of analysis.
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SHORT ANSWERS 10 x 2 = 20 Marks
- Give any four applications of TEM analytical technique.
- State Nernst Distribution law.
- Define pseudo zero order reaction with example.
- Enumerate methods to determine Surface tension.
- Give diffusion equation and explain the terms.
- Describe Rheogram and Rheopexy
- Explain percent log normal distribution curve
- What is void volume and porosity
- What are clathrates?
- What is gold number?
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This download link is referred from the post: RGUHS B.Pharm 3rd Year 2020 Previous Question Papers - Rajiv Gandhi University of Health Sciences
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