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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.
Saponification number: Saponification number of oil is the number of milligram of potassium hydroxide required to saponify 1 g of oil. Mineral oils are the mixture of hydrocarbons
what is austenitic steel
what is break point on chlorination
definition
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What is the aim of shear stress distribution?
two altitudes of an isosceles triangle are equal to 20 cm and 30 cm determine the possible measures of the base angles
We have a lot of water plastic bottels that are being threw and wasted , how can we use them in a onother way like making it into a fabric, or I need any topic for project that inv
Materials used for DC applications are: Iron and low-carbon steels (maximum carbon 0.05 %) • Iron-Nickel alloys (Permalloy) • Iron-Cobalt alloy (Permendur)
Dear sir I need chemical analysis method for pyrite phase in iron ore
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