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  • Question
  • Main constituent of natural rubber is


  • Options
  • A. polystyrene
  • B. polyisoprene
  • C. polybutadiene
  • D. poly chloroprene

  • Correct Answer
  • polyisoprene 


  • Polymer Technology problems


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    • 1. __________ scrap can be recycled & reutilised.

    • Options
    • A. Bakelite
    • B. Epoxy resin
    • C. Polythene
    • D. none of these
    • Discuss
    • 2. Which of the following polymers is used for making a non stick coating on frying pans?

    • Options
    • A. Bakelite
    • B. Teflon
    • C. Perspex
    • D. PVC
    • Discuss
    • 3. Epoxy resin is

    • Options
    • A. not used for surface coating.
    • B. a good abrasive.
    • C. an elastomer.
    • D. a polyester.
    • Discuss
    • 4. Flexible plastic pipes are made of

    • Options
    • A. high density polyethylene (HDPE).
    • B. low density polyethylene (LDPE).
    • C. polypropylene.
    • D. unsaturated polyester.
    • Discuss
    • 5. Synthetic polymer produced by using terephthalic acid and ethylene glycol is

    • Options
    • A. terylene
    • B. nylon-66
    • C. PVC
    • D. polyesterene
    • Discuss
    • 6. In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

    • Options
    • A. hexamethylene diamine and the ring.
    • B. hexamethylene diamine and the adipic acid.
    • C. adipic acid and the ring.
    • D. none of these.
    • Discuss
    • 7. Pick out the wrong statement regarding the solubility characteristics of high polymers.

    • Options
    • A. Greater the degree of cross-linking in the polymer, lesser is its solubility.
    • B. Polymers having more aliphatic character are more soluble in aliphatic solvents, while those polymers having more aromatic character are more soluble in aromatic solvents.
    • C. Swelling tendency or solubility of polymers in a particular solvent decreases with increase in molecular weight of the solvent.
    • D. High molecul ar weight polymers on dissolving gives solution of very low viscosity.
    • Discuss
    • 8. Which of the following types of polymers has the strongest inter particle forces?

    • Options
    • A. Elastomers
    • B. Fibres
    • C. Thermoplastics
    • D. Thermosetting polymers
    • Discuss
    • 9. Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.

    • Options
    • A. polyurathane
    • B. polysulphone
    • C. polycarbonate
    • D. polyester
    • Discuss
    • 10. Which of the following is not present in bagasse fibre?

    • Options
    • A. Cellulose
    • B. Lignin
    • C. Pentogens
    • D. None of these
    • Discuss


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