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Download RTMNU B.Pharma 5th Semester 2017 Winter Pharmaceutics V (Physical Pharmacy) Question Paper

Download RTMNU (Rashtrasant Tukadoji Maharaj Nagpur University) B.Pharma (Bachelor of Pharmacy) 5th Semester 2017 Winter Pharmaceutics V (Physical Pharmacy) Question Paper

This post was last modified on 19 January 2020

This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University


NRJ/KW/17/4279

B.Pharm Examination

PHARMACEUTICS—V (Physical Pharmacy)

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Paper-1

[Maximum Marks : 80

Time : Three Hours]

N.B. :- (1) Question No. 1 is compulsory.

(2) Attempt any four questions out of remaining.

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(3) All questions carry equal marks.

(4) Draw neat labelled diagram wherever necessary.

(5) Assume suitable data wherever necessary.

  1. Attempt any five of the following :
    1. Explain why mixed emulsifiers produce a more stable emulsion than single emulsifier.
    2. How the surfactants are classified according to HLB ?
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    4. What is Hofmeister series ?
    5. What is critical micelle concentration ? What is its significance ?
    6. What are the factors responsible for Sedimentation of particles ? How they can be controlled ?
    7. Describe the mechanism by which particle gets charged in the medium.
    8. Define :
      1. Interfacial tension
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      3. Adsorption.

    5×4=20

    1. Give the applications of colloids.
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      8

    3. What is effect of electrolyte on CMC of surfactants ?
    4. 7

  2. What is zeta potential ? What is Nernst potential and electrokinetic potential ? How does it control physical stability of emulsions ?

    15

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  3. Derive the equation for Langmuir's adsorption isotherm.

    15

    1. Explain DLVO theory of suspensions.
    2. 8

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    3. Write a note on controlled flocculation.
    4. 7

  4. What is angle of repose? How it is determined ? What is its significance ? Describe derived properties of powders.

    15

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  6. Write notes on (any two)
    1. Porosity, its types and significance
    2. Davies theory of emulsions
    3. Classification of surfactants as per chemical structure.

    15

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This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University