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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.
Oxidation - Silicon has the unique ability to be oxidized into silica, which produces a chemically stable, protective and insulating layer on the surface of the wafer. The produc
The design of a monolith reactor for the VOCs removal.(Benzene) Therefore, you are asked to do the following: 1. Choose a specific VOC; 2. Search for the reaction rate for
what is break point on chlorination
Explain Epitaxial Growth Epitaxial Growth - Refers to the growing of a crystal using one more crystal as the substrate, like that the atomic arrangement is continuous across
bernaulli''s theorm related numericals
how many particulenvndvhkvhxkxcvjxvcmv.khcevhfve
to determine the emf of cell uaing pottentiometre
compare boron and aluminium with carbon and silicon
Objectives After you have done this exercise, you should be able to: 1. Prepare a comparative chart of quotations 2. fill up the quotations form 3. process a bill for
Activity to Learn The Handling Of Hazardous Chemicals: Use Of Fume Cupboard Previous you learn about the importance of fume cupboard and its usage. There are many chemicals whi
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