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

334.

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

A condensation polymer among the following polymers is

• teflon

• polystyrene

• PVC

• decron

Consider the following statements.

1.Thermoplastic polymers are formed by condensation polymerisation.

2.Thermosetting polymers can be remoulded or reshaped.

3. Nylon-6 is also known as perlon-L.

4. Glyptal is a thermosetting plastic.

The wrong statement(s) is/are

• 1 and 3

• 2 and 4

• 1 and 2

• 3 and 4

Match List-l with List-II and select the correct answer using the codes given below:

List I	List II
A. Polyesters	1. Buna-S
B. Polyamides	2. Orlon
C. Polydienes	3. Terylene
D. Polyacrylates	4. Nylon-6

Codes:

• A  B  C  D

  1  2  3   4

• A  B  C  D

  3  4  1   2

• A  B  C  D

  4  3   2  1

• A  B  C  D

  1  3   4  2

Dacron is obtained by the condensation polymerisation of

• Dimethyl terephthalate and ethylene glycol

• Terephthalc acid and formaldehyde

• Phenol and phthalic acid

• Phenol and formaldehyde

Nylon is not a

• condensation polymer

• polyamide

• copolymer

• homopolymer