Related Mcqs:

1. Polyvinyl chloride (PVC) is __________________?

   A. A thermosetting material
   B. A condensation polymerisation product
   C. Made by employing emulsion polymerisation
   D. None of these

2. The monomer of poly vinyl chloride (PVC) is__________________?

   A. Chloroethane
   B. Ethylene dichloride
   C. Ethyl chloride
   D. Chloroform

3. Poly Vinyl chloride (PVC) is a ________________ material?

   A. Thermoplastic
   B. Thermosetting
   C. Fibrous
   D. Chemically active

4. Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?

   A. 50000
   B. 51600
   C. 49200
   D. 50800

5. Polyvinyl alcohol is used as a___________________?

   A. Cation/anion exchanger
   B. Water soluble adhesive
   C. Textile fibre
   D. Non-sticky coating on frying pans

6. Polyvinyl acetate is never used for making_________________?

   A. Moulded articles
   B. Fibres
   C. Adhesives
   D. All A., B. & C.

7. Addition of stabiliser during PVC manufacture is done to________________?

   A. Improve its impact strength
   B. Improve its elasticity
   C. Reduce the melt viscosity & glass transition temperature
   D. Prevent its thermal degradation

8. Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about ______________ ° C?

   A. -20
   B. 50
   C. 250
   D. 500

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

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

10. Benzoyl chloride is not used as a catalyst in the manufacture of___________________?

    A. Polystyrene
    B. Polyvinyl acetate
    C. Polypropylene
    D. Polyvinyl chloride-co-vinyl acetate