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1. a) How are Polymers classified?
b) Define polymerization. Differentiate addition and condensation polymerization.
2. a) Explain the free radical mechanism of addition polymerization taking ethylene as a monomer.
b) Give the synthesis and applications of Teflon.
3. a)Differentiate between thermoplastics and thermosetting plastics.
b)What is glass transition temperature?Discuss the following factors affecting GTT
i) Flexibility ii) Intermolecular forces.
4. a) Explain the manufacture and applications of the following high polymers:
i)Polymethylmethacrylates (plexi glass) ii) polyurethanes.
b) What are elastomers? Mention the advantages of synthetic rubber over natural rubber.
5. a) What are the deficiencies of natural rubber? What is vulcanization of rubber.
b) Explain the manufacture of Silicone rubber. Mention their applications.
Pure silicon at zero K is an Insulator.
numericals based on kohlrausch law
how scale form
is their any connection
how can we improve crushing strength of 20:20
integration
how Be2+ isoelectronic with li+
Which one of the following statements is correct? You may wish to examine a molecular model of this compound. 1. Carbon D is an asymmetric center and its configuration is R 2
Application of polymeric liquids in water distribution system
INTRODUCTION : This exercise is based on here of this course where you were introduced to For Mode-1 Students the essential features of a good preparation room that offers service
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