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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.
calogen conditioning?
Explain Polarizability Polarizability is the relative tendency of a charge distribution, such as the electron cloud of an atom or molecule, to be distorted from its normal sh
How to design a reaction vessel for esterification reaction
What is bio diesel
The Transformer oil helps cool the transformer. Because it also gives part of the electrical insulation among internal live parts, transformer oil must remain stable at high tempe
free radical mechanism
Refractoriness: It indicates the capacity of a material to withstand heat without appreciable deformation or softening under particular operating conditions and is measured as the
the full reaction mechanism for production of acetic acid from feed of ethylene via wacker process with acetaldehyde as an intermediate
the inlet diameter of venturimeter 25mm and diameter of throat is 15mm.The coefficient of discharge for venturimeter is Cv=0.98.The height is found to be 5ml density of water is 10
explain
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