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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.
what do i do to eliminate odor from cowdung?
What is Metallization Metallization is the fabrication step in which proper interconnection of circuit elements is made. Aluminum is a popular metal used to be linked ICs, bo
cristallinity of PVDF
Ask question #Minimum 100 words accepted`How Daniel cell works?
nerve cell reproduces
Q. Define flash and fire points and its determination. OR Write short note on: Flash and fire points. Ans. Flash and fire points:
calculate the volume at (160c) and 221c if the quality is 0.85
Question:1 (a) A flowchart of a continuous steady state two-unit separation process is shown below (Figure 1.1). Each stream contains two components, x and y, in different prop
The probability of occupation of an energy level E, when E - E F = kT, is given by 0.27
CLASSIFICATION OF CHEMICALS IN THE STORE Your Counsellor will give you names of any five chemicals. You fill up the report in tabular form (Table) indicating the name of the ch
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