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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.
What are the objectives of annealing? Annealing , is a heat treatment where in a material is altered, causing alters in its properties like as strength and hardness. It is a p
Blending is an important unit operation in the chemical and process industries. It is employed in a wide variety of industries including the production of cement and gasoline. Con
Routine monitoring at a chemical process facility has detected fugitive emissions (leaks) of volatile organic compounds around several equipment valves, pump and compressor seals.
Explain covalent bond A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons among atoms, or among atoms and other covalent
is DTA a type of heating oil in constant temperature bath?
to determine the emf of cell uaing pottentiometre
Location and layout : Note the location of the lab with respect to the rest of the building. Is the location satisfactory for efficient functioning? You can study the layout well
Linear Alkyl benzene (LAB) is produced by the alkylation of benzene with olefins (assuming all dodecane). Raw maw materials: Kerosene and benzene. The chemical plant design comp
why only size influence the movement of protein in sds page
One cubic metre of wet soil weighs 19.80 kN. If the exact gravity of soil particles is 2.70 and water content is 11%, Determine the void ratio, dry density and degree of saturat
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