OU B.Pharm Question Papers Last 10 Years 2010-2020 || Osmania University
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Code No. 13257/Non CBCS
FACULTY
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B. Pharmacy 3/4 I Sem. (Non CBCS) (Backlog) Examination, July 2019
Subject: Physical Pharmacy
Time: 3 Hrs Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
- (a) Write and explain the postulates of the kinetic molecular theory. 5
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(b) Explain the various methods of achieving liquefaction of gases. 9
OR - (a) Write a note on Gibbs phase rule. Explain the phenol water system. 7
(b) Write the importance of thermal analysis. Explain DSC and DTA with applications. 7 - (a) Explain laws of conservation of energy and meaning of energy balance and its importance in thermodynamics. 7
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(b) State and explain first law of thermodynamics. 7
OR - (a) Define i) Heat of formation and combustion ii) Enthalpy and Entropy. 9
(b) Write Free Energy functions and applications. 5 - (a) What are ideal solutions and real solution? Explain derivations of Raoult's law. 6
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(b) Explain colligative properties of solutions of nonelectrolytes. 8
OR - (a) Explain the concepts of activity and activity coefficients. 5
(b) Derive an equation for ionization of weak acids. 9 - (a) Explain different methods for adjusting isotonicity. 9
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(b) Write a brief note on i) pH indicators ii) Physiological buffer. 5
OR - (a) Derive Henderson Hasselbalch buffer equation for a weak acid and its salt. 8
(b) Write Van Slyke’s equation for buffer capacity and maximum buffer capacity and it's applications. 6 - (a) Write a note on different types of electrodes. Explain Hydrogen and glass electrodes. 9
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(b) How do you measure EMF of a cell? 5
OR - (a) Write application of Oxidation Reduction Potentials (Redox potentials) in pharmacy. 6
(b) What is catalysis and catalyst? Write types if catalysts, catalytic reactions. Write factors affecting on the catalysis. 8
Hyderabad
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