Polymer Classification and Properties

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What is the role of peroxide in addition polymerization of alkenes?

Inhibitor
Solvent
Catalyst
Initiator (correct)

What type of polymer is ion exchange resin?

Non-ionic polymer
Cationic polymer
Ionic polymer (correct)
Anionic polymer

How many methods are there to synthesize polymer molecules?

4 (correct)
3
5
6

What type of polymer is classified based on the mode of formation?

All of the above (D) Signup and view all the answers

What is the mechanism of polymerization of ethylene?

Free radical addition (C) Signup and view all the answers

What are the monomers of PVC?

Vinyl chloride (C) Signup and view all the answers

What is the primary function of fillers in polymer products?

To reduce the cost of the products per unit weight (C) Signup and view all the answers

What is the main function of dyes and pigments in polymer products?

To increase aesthetic appeal of the polymer product (C) Signup and view all the answers

What is the primary function of lubricants in polymer processing?

To make the molding process easy and give elegant finish to the final product (B) Signup and view all the answers

What is the maximum proportion of plasticizer that can be added to a polymer?

60% (D) Signup and view all the answers

What is the function of Barium salts in polymer products?

To render the polymer impervious to X-rays (A) Signup and view all the answers

What is the function of Quartz and mica in polymer products?

To impart certain specific properties to the finished product (D) Signup and view all the answers

What is the role of peroxide in the addition polymerization process?

To generate free radicals and initiate the polymerization reaction (C) Signup and view all the answers

What is the characteristic of condensation polymerization?

It results in the elimination of a small molecule (C) Signup and view all the answers

What is the main function of a binder in polymer processing?

To hold the other ingredients of plastic together (B) Signup and view all the answers

What is the purpose of additives in polymer processing?

To enhance the physical properties of the polymer (C) Signup and view all the answers

What is the difference between cationic and anionic polymerization?

One uses acidic initiators and the other uses basic initiators (C) Signup and view all the answers

What is the initial form of polymer obtained by different synthetic methods?

Granular or powdered form (C) Signup and view all the answers

What is the type of polymerization process involved in the production of epoxy resin?

Ring opening reaction (D) Signup and view all the answers

What is the main application of epoxy resin?

Surface coating agent (C) Signup and view all the answers

Which of the following polymers is prepared from phenol and formaldehyde?

Bakelite (D) Signup and view all the answers

What is the difference between Low Density Polyethylene (LDPE) and High Density Polyethylene (HDPE)?

LDPE is prepared at high pressure, while HDPE is prepared at low temperature (A) Signup and view all the answers

Which polymer is most widely used as a construction material?

Polyvinyl chloride (PVC) (D) Signup and view all the answers

What is the monomer used in the production of PVC?

Vinyl chloride (D) Signup and view all the answers