Download RGUHS (Rajiv Gandhi University of Health Sciences) B.Pharm (Bachelor of Pharmacy) 2018 January 2nd Year 1956 Physical Pharmaceutics Revised Scheme 2 Previous Question Paper
Rajiv Gandhi University of Health Sciences, Karnataka
II Year B. Pharm Degree Examination ? DEC-2018
Time: Three Hours
Max. Marks: 80 Marks
Physical Pharmaceutics (Revised Scheme - 2)
Q.P. CODE: 1956
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
1.
What is Nernst distribution law? What are its limitations? Derive expression applicable when
solute undergoes association in one of the solvent.
2.
Discuss the various properties of colloids in detail.
3.
List-out the methods used to study the particle size distribution. Describe Anderson pipette
method for analyzing the particle size.
SHORT ESSAYS (Answer any Eight)
8 x 5 = 40 Marks
4.
Explain the electrical properties at the interface.
5.
Write the different properties of inclusion complexes with suitable examples.
6.
Define the term "conjugated solution". Explain phenol water system.
7.
What is optical activity? Add a note on determination of optical activity.
8.
What are Buffers? Derive an equation for weak acids and its salts.
9.
Explain the factors influencing settling.
10.
Deduce an equation for determining the specific reaction rate constant of a first order
reaction.
11.
How do you identify emulsion type?
12.
Give the principle and procedure involved in capillary viscometer.
13.
Describe dissolution apparatus with a neat labeled diagram.
SHORT ANSWERS
10 x 2 = 20 Marks
14.
What is Bancroft's rule? Give its applications.
15.
Define specific surface area of powder. What is its significance?
16.
Define order and molecularity.
17.
Contact angle
18.
What is zeta potential? How does it differ from Nernst potential?
19.
Protective colloid with examples
20.
Dipole moment
21.
What are isotonic solutions? Give example.
22.
Raoult's law
23.
Define Rheology and Thixotropy.
*****
This post was last modified on 06 January 2023