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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.
prove that work is a path function
will u provide chemical properties of nitroparaffins and its block diagram for preparation of nitroparaffins?
Dielectric materials 1) These are the materials in which valence electrons used are bounded very strongly to their parent atoms. 2) They need very large electric field to r
A large tower is to be supported by a series of steel wires; it is estimated that the load on every wire will be 13,300 N (3000 lbf). Verify the minimum needed wire diameter, assum
to determine the emf of cell uaing pottentiometre
how to extract ephedrine from ephedra
cristallinity of PVDF
Free Electron theory of metals This theory tells that, metals conduct electricity due to the presence of free electrons in it. The outermost shells of metal atoms will be loose
Ask question #Minimum 100 words accepted.hardness of bore water is less than that of sea water-justify
Semiconductor device applications All transistor types can be used as the building blocks of logic gates, which are fundamental in the design of digital circuits. In digital c
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