Polymer Classification and Properties
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Questions and Answers

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?

    <p>All of the above</p> Signup and view all the answers

    What is the mechanism of polymerization of ethylene?

    <p>Free radical addition</p> Signup and view all the answers

    What are the monomers of PVC?

    <p>Vinyl chloride</p> Signup and view all the answers

    What is the primary function of fillers in polymer products?

    <p>To reduce the cost of the products per unit weight</p> Signup and view all the answers

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

    <p>To increase aesthetic appeal of the polymer product</p> Signup and view all the answers

    What is the primary function of lubricants in polymer processing?

    <p>To make the molding process easy and give elegant finish to the final product</p> Signup and view all the answers

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

    <p>60%</p> Signup and view all the answers

    What is the function of Barium salts in polymer products?

    <p>To render the polymer impervious to X-rays</p> Signup and view all the answers

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

    <p>To impart certain specific properties to the finished product</p> Signup and view all the answers

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

    <p>To generate free radicals and initiate the polymerization reaction</p> Signup and view all the answers

    What is the characteristic of condensation polymerization?

    <p>It results in the elimination of a small molecule</p> Signup and view all the answers

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

    <p>To hold the other ingredients of plastic together</p> Signup and view all the answers

    What is the purpose of additives in polymer processing?

    <p>To enhance the physical properties of the polymer</p> Signup and view all the answers

    What is the difference between cationic and anionic polymerization?

    <p>One uses acidic initiators and the other uses basic initiators</p> Signup and view all the answers

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

    <p>Granular or powdered form</p> Signup and view all the answers

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

    <p>Ring opening reaction</p> Signup and view all the answers

    What is the main application of epoxy resin?

    <p>Surface coating agent</p> Signup and view all the answers

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

    <p>Bakelite</p> Signup and view all the answers

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

    <p>LDPE is prepared at high pressure, while HDPE is prepared at low temperature</p> Signup and view all the answers

    Which polymer is most widely used as a construction material?

    <p>Polyvinyl chloride (PVC)</p> Signup and view all the answers

    What is the monomer used in the production of PVC?

    <p>Vinyl chloride</p> Signup and view all the answers

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