A. Cross linked polystyrene
B. Phenol formaldehyde resins
C. Polyesters
D. Polyamides
Related Mcqs:
- A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of_______________________?
A. Siloxane elastomers
B. Polyamides
C. Vinyl polymers
D. Urea-formaldehyde resins - In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is________________?
A. Terylene
B. Polybutadiene
C. PVC
D. Polypropylene - Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?
A. PVC
B. Bakelite
C. PTFE
D. Epoxy resin - Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by _______________, which decompose to give free radicals?
A. Organic peroxides
B. Sulphuric acid
C. Hydrofluoric acid
D. None of these - Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is __________________?
A. Nylon-66
B. Teflon
C. Polyester
D. Bakelite - Addition polymerisation is not involved in the manufacture of_______________?
A. Low density polythene
B. Poly vinyl chloride
C. Polystyrene
D. Polyhexamethylene adipamide - Condensation polymerisation is not involved in the manufacture of_________________?
A. Teflon
B. Polythene
C. Terylene
D. Nylon - 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 - Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about ______________ ° C?
A. -20
B. 50
C. 250
D. 500 - Polycondensation reaction of polymerisation ___________________?
A. Does not produce linear polymers
B. Produces only thermoplastic material
C. Produces epoxy polymers
D. Does not need any catalyst
Mcq Added by: admin