____________ is a copolymer?

Related Mcqs:

1. Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?

   A. Rigid foam
   B. Engineering plastic
   C. Thermosetting polymer
   D. Spongy rubber

2. A copolymer of vinyl and vinylidene chloride is called_____________________?

   A. Treylene
   B. Orlon
   C. Saran
   D. Dacron

3. A copolymer is formed by the combination of two or more monomer molecules_________________?

   A. In a chain without the elimination of water
   B. With the elimination of small amount of water
   C. Of the same monomer by elimination of small molecules of water
   D. None of these

4. Which of the following is a copolymer ?

   A. PVC
   B. Bakelite
   C. Polythene
   D. Teflon

5. In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?

   A. PTFE
   B. Buna-S
   C. PMMA
   D. Polycaprolactam

6. _______________ is a copolymer ?

   A. Nylon-66
   B. Polypropylene
   C. PVC
   D. Poly tetra fluoro ethylene

7. ____________ polymer is used for making unbreakable crockery?

   A. Thermoplastic
   B. Melamine
   C. Addition
   D. None of these

8. The conversion of caprolactam in the above case is about ____________ percent?

   A. 25
   B. 50
   C. 70
   D. 90

9. Density of low density polythene is about ____________ gm/c.c?

   A. 0.38
   B. 0.56
   C. 0.81
   D. 0.91

10. ____________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR?

    A. Percent elongation
    B. Resilience
    C. Freezing point
    D. Strength