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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.
If 2 grammes of zinc granules was reacted with excesss hydrocloric acid to evolued hydrogen gas which came to completion after 5 minutes. Calculate the rate of the chemical in gram
Consider a process for the partial oxidation of benzene to produce maleic anhydride (C4H4O4) using air. There are two reactions to be concerned with: The first partially oxidizes t
report
Explain Antiferromagnetic materials Antiferromagnetic materials are the materials in which almost every magnetic dipole is linked up ant parallel to each other. Its susceptib
what is complexometric titration?
Drift current is the electric current, or movement of charge carriers, which is because of the applied electric field, often stated as the electromotive force over a given distanc
chemistry separate the mixture of sand and naphthalene by sublimation
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Q. What are lubricants? Explain properties of lubricating oil. Ans. Lubricants: The metal to metal frictional resistance can be minimized by using certain suitable substanc
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