Download B.Pharm 2020 Feb 2nd Sem Physical Pharmaceutics Question Papers

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(LQ 4256) FEBRUARY 2020 Sub. Code: 4256

B.PHARM. DEGREE EXAMINATION

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SECOND YEAR

PAPER I - PHYSICAL PHARMACEUTICS

Q.P. Code: 564256

Time: Three hours Maximum: 100 Marks

I. Elaborate on: (2x20=40)

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1. a) Define dissolution, write about factors affecting rate of dissolution.
   b) Explain one method for determining particle size.
2. a) Define complexes. Explain method of analysis of complex.
   b) What is Newtonian and non-Newtonian systems? Explain with suitable examples.

II. Write notes on: (8x5=40)

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1. Determination of expiry date.
2. Stability of emulsion.
3. Types of suspensions.
4. Explain steady — state diffusion.
5. Write about pharmaceutical buffer and biological buffer.

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6. Stability of colloidal system.
7. Isotonic solutions.
8. Electrical properties of colloids.

III. Short answers on: (10 x 2 =20)

1. Gold number.

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2. Ban croft rule.
3. Ferrocene.
4. Critical Micellar Concentration.
5. Order of reaction.
6. Types of colloids.

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7. Buffer equation.
8. BET Equation.
9. Suspending agents.
10. Stokes equation.

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