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  • Question
  • Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.


  • Options
  • A. resorcinol
  • B. phenol
  • C. para-cresol
  • D. melamine

  • Correct Answer
  • melamine 


  • Polymer Technology problems


    Search Results


    • 1. __________ fibres are made of polyamides.

    • Options
    • A. Dacron
    • B. Nylon
    • C. Rayon
    • D. Orion
    • Discuss
    • 2. Addition of stabiliser during PVC manufacture is done to

    • Options
    • A. improve its impact strength.
    • B. improve its elasticity.
    • C. reduce the melt viscosity & glass transition temperature.
    • D. prevent its thermal degradation.
    • Discuss
    • 3. Flexible foam (for mattresses) are usually made of

    • Options
    • A. PVC
    • B. silicone rubber
    • C. polyurethanes
    • D. polyamides
    • Discuss
    • 4. Branched chair polymers as compared to linear polymers have

    • Options
    • A. higher melting point.
    • B. higher tensile strength.
    • C. lower density.
    • D. none of these.
    • Discuss
    • 5. Neoprene is rendered non-inflammable, because of

    • Options
    • A. its cross-linked structure.
    • B. its linear chain structure.
    • C. the presence of chlorine atoms in its monomer.
    • D. the absence of chlorine atoms in its monomer.
    • Discuss
    • 6. Nylon-6 as compared to nylon-66 is

    • Options
    • A. harder.
    • B. more abrasion resistant.
    • C. having higher melting point.
    • D. none of these.
    • Discuss
    • 7. __________ is a copolymer.

    • Options
    • A. Nylon-66
    • B. Polyrophylene
    • C. PVC
    • D. Poly tetra flouro ethylene
    • Discuss
    • 8. Which of the following polymers shows the highest anti-tacking properties?

    • Options
    • A. Melamine formaldehyde resin
    • B. Phenolic resin
    • C. Epoxy resin
    • D. Alkyd resin
    • Discuss
    • 9. ? - glucose is the monomer of

    • Options
    • A. cellulose
    • B. starch
    • C. protein
    • D. none of these
    • Discuss
    • 10. Polyhexamethylene adipimide is also known as

    • Options
    • A. bakelite
    • B. nylon-66
    • C. epoxy resin
    • D. silicone rubber
    • Discuss


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