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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.
when do the cell get alot of thing in there thing because am confuse cause is alot of thing becaus is crazy
objective of the nasic test
A chemical specie decays over time when is subject to air and simultaneously reproduced by another process as given by: where c is the concentration of the specie and co i
explain the term ‘Occupational Hazard''
I am final year chemical engineering student working on a problem paper which has got two questions with a total of 5 parts. Would you be able to provide a solution for that?
Asxdxxwrefdrtszsdsdreessek question #Minimum 100 words accepdhgugfhjugydt76uejjerugrgrted#
how to reduce COD in primary process effluent treatment system
Salient properties of common semiconducting materials. The salient properties of semi-conducting materials are: These are the materials whose valence electrons are bound
Ask question #haMinimum 100 words accepted#Okkkk Hardness of bore well water is less than sea water. Justify
design a falling film evaporator in detail
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