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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.
Before it can be fed to the gasification reactor, coal must be ground to meet specifications on particle size. The grinding is accompanied by the generation of coal dust that can r
which are the different types of commercial cells?
A shell-and-tube Heat exchanger with one shell exceed and two tube passes si to be designed to condense 3900 kg/hr of steam at 1 atm. Steam may be suppose to enter the shell side a
Diffusion: Molecular diffusion, often known as simply diffusion, is a net transport of molecules from a region of higher concentration to one of lower concentration by chance mole
Wet air containing 4.0 mole% water vapor at 76°F and 14.8 psia is passed through a column of calcium chloride pellets. The pellets absorb 97% of the water and none of the other con
#question.dicuss brifely the boiler troubles and their treatment
Cyclohexane (C 6 H 12 ) is produced by mixing Benzene and hydrogen. A process including a reactor, separator, and recycle stream is used to produce Cyclohexane. The fresh feed cont
Asxdxxwrefdrtszsdsdreessek question #Minimum 100 words accepdhgugfhjugydt76uejjerugrgrted#
There is an an assignment in your database named "Production of Chemicals from Coal" Do you have answers to this?
what do i do to eliminate odor from cowdung?
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