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Dr.A.P.J.Abdul Kalam University MSC III SEM (Chemistry) Polymer (MSC-306T) Dec - 2020 Question Papers

Dr.A.P.J.Abdul Kalam University

Master of Science (Chemistry)

Third Semester Main Examination, Dec-2020

Polymer (MSC-306T)

Time: 3:00 Hrs Max Marks 85

Note : Attempt all questions. Each question has two parts. Part A is 10 marks and part B is

7 marks.

Q.1 (a) What is polymer? Explain degree of polymerization.

(b) Explain the various classification of polymer.


(a) Describe the linear, branched and network polymer with examples.

(b) Explain the classification and special characteristics of inorganic polymer.

Q.2 (a) Differentiate between addition and condensation polymerization

(b) What is the free radical reaction mechanism for the formation of polymer?


(a) Explain copolymerization with examples.

(b) Describe the polymerization process in homogeneous and heterogeneous systems.

Q.3 (a) Define the number, weight and viscosity average molecular weights.

(b) Write short note on two methods which are applicable for the measurement of molecular



(a) What is polydispersity and molecular weight distribution?

(b) Write short note on analysis and testing of polymers.

Q.4 (a) What is plastics? Classify it.

(b) Explain the reinforcing and fire spinning processes.


(a) What is elastomers and fibers?

(b) Describe the injection moulding, blow moulding and extrusion moulding.

Q.5 (a) Explain the fire retarding polymers.

(b) Briefly explain the boron based polymers.


(a) Describe the phosphorous based polymers.

(b) Explain biomedical polymers with examples.

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