_______________________ is not a condensation polymer ?
_______________________ is not a condensation polymer ?
A. Teflon
B. Nylon-66
C. Dacron
D. Polystyrene
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Synthetic rubber___________________?
Synthetic rubber___________________?A. Deforms, if stretched to double of its original dimension
B. Is brittle at low temperature
C. Is softer at higher temperature
D. Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gasesIn condensation polymerisation as compared to addition polymerisation____________________?
In condensation polymerisation as compared to addition polymerisation____________________?A. The monomers are unsaturated compounds
B. No co-product is lost
C. The monomers contain two functional groups
D. Generally only one monomer is involvedOrion is_________________?
Orion is_________________?A. A copolymer
B. A condensation polymer
C. Obtained by polymerising vinyl cyanide
D. All A., B. and C.Condensation polymerisation of formaldehyde with _____________ does not produce phenolic resin?
Condensation polymerisation of formaldehyde with _____________ does not produce phenolic resin?A. Resorcinol
B. Phenol
C. Para-cresol
D. MelamineThe synthetic fibres produced from _____________ are known as rayon?
The synthetic fibres produced from _____________ are known as rayon?A. Lignin
B. Cellulose
C. Polyamides
D. Ethylene glycolPlastic articles are normally produced by _____________ moulding?
Plastic articles are normally produced by _____________ moulding?A. Green sand
B. Injection
C. Shell
D. Dry sand