Which of the following is cross-linked polymer?

• Teflon

• Orlon

• Nylon

• Bakelite

Bakelite is obtained from phenol by reacting with:

• acetaldehyde

• acetal

• formaldehyde

• chlorobenzene

Nylon threads are made of

• polyvinyl polymer

• polyester polymer

• polyamide polymer

• polyethylene polymer

Among the following, a natural polymer is :

• cellulose

• PVC

• polyethylene

• Teflon

F₂C = CF₂ is a monomer of

• teflon

• nylon

• glyptal

• buna-S

Bakelite is a

• natural polymer

• addition polymer

• condensation polymer

• homopolymer

In the reaction sequence

X is

• cyclohexanone

• caprolactum

• HO(CH₂)₆NH₂

• hexamethylene diisocyanate

The polymer which is used in non-sticky kitchen ware is

• PVC

• teflon

• Rayon

• isoprene

109.

Which of the following monomers, gives synthetic rubber on polymerisation ?

• CH₂=CHCl

• CCl₂=CCl₂

• CH₂=C(CH₃)-CH=CH₂

• CH₂=CCl-CH=CH₂

Which among the following is a chain growth polymer?

• Nylon

• Bakelite

• Terylene

• Teflon