71.

Bakelite is the condensation polymer of

• C₆H₅OH and caprolactum

• HCHO and phthalic acid

• C₆H₅OH and HCHO

• HCHO and ethylene glycol

Monomer of polymer 

• 2-methylpropene

• styrene

• propene

• ethene

Bakelite is polymer of phenol and

• HCOOH

• HCOOCH₃

• HCHO

• CH₃COOH

Bisphenol and epichlorohydrin condensed in presence of NaOH forming

• Resins

• Rubber

• Foam

• Polyester

Natural rubber is a polymer of monomer isoprene. During polymerisaton

• 1, 4 addition takes place

• 1, 2 addition takes place

• 1,3 addition takes place

• both double bonds are converted into single bond

Select the correct statement

• Orlon is an addition polymer

• Dacron is an addition polymer

• Orlon is a condensation polymer

• The monomers of orlon is styrene

Which of the following polymers can be used for lubrication and as an insulator?

• SBR

• PVC

• PTFE

• PAN

Among the following which one is condensation polymer?

• Orlon

• Melamine

• Teflon

• PMMA

The hard plastic covers of telephones are made from polymers of

• acrylonitrile

• styrene

• fluoromethane

• phenol and formaldehyde

Which one of the following monomers gives the polymer neoprene on polymerisation?

• CH₂=CH-Cl

• CCl₂=CCl₂

• CH₂=CCl-CH=CH₂

• CF₂=CF₂