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Rajiv Gandhi University of Health Sciences, Karnataka
IT Year B. Pharm Degree Examination - DEC-2018
Time: Three Hours Max. Marks: 80 Marks
Physical Pharmaceutics (Revised Scheme - 2)
Q.P. CODE: 1956
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Your answers should be specific to the questions asked
Draw neat, labeled diagrams wherever necessary
LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks
- What is Nernst distribution law? What are its limitations? Derive expression applicable when solute undergoes association in one of the solvent.
- Discuss the various properties of colloids in detail.
- List-out the methods used to study the particle size distribution. Describe Anderson pipette method for analyzing the particle size.
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SHORT ESSAYS (Answer any Eight) 8 x 5 = 40 Marks
- Explain the electrical properties at the interface.
- Write the different properties of inclusion complexes with suitable examples.
- Define the term “conjugated solution”. Explain phenol water system.
- What is optical activity? Add a note on determination of optical activity.
- What are Buffers? Derive an equation for weak acids and its salts.
- Explain the factors influencing settling.
- Deduce an equation for determining the specific reaction rate constant of a first order reaction.
- How do you identify emulsion type?
- Give the principle and procedure involved in-capillary viscometer.
- Describe dissolution apparatus with a neat.labeled diagram.
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SHORT ANSWERS 10 x 2 = 20 Marks
- What is Bancroft’s rule? Give.its applications.
- Define specific surface area of powder. What is its significance?
- Define order and molecularity.
- Contact angle
- What is zeta potential? How does it differ from Nernst potential?
- Protective colloid with examples
- Dipole moment
- What are isotonic solutions? Give example.
- Raoult’s law
- Define Rheology and Thixotropy.
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