The monomer units of PTFE are:

1. Cl₂CH-CH₃

2. F₂C=CF₂

3. F₃C-CF₃

4. FClC=CF₂

The catalyst used in the manufacture of polythene by Ziegler method is:
1. Titanium tetrachloride and triphenyl galium 
2. Titanium tetrachloride and triethyl aluminium
3. Titanium dioxide
4. Titanium isopropoxide

Of the following the step growth polymer is : 

1. Bakelite

2. Polyethylene

3. Teflon

4. PVC

Condensation of caprolactam gives:

1. Nylon-6,6               

2. Nylon-6

3. Nitrile rubber         

4. Nylon-6,10

Monomer of neoprene is: 

1.
2.
3.
4.

Terylene is a:

1. Polyamide                     

2. Polyester

3. Polyether                       

4. Long chain hydrocarbon

Polymer that is used to make non stick cookware is: 

1. PVC

2. Polysterene

3. Polyethylene

4. PTFE

Natural rubber is a polymer of :-

1. Isoprene

2. Styrene

3. Ethylene

4. Butadiene

Buna-S is a synthetic copolymer of:

1. Styrene and buta-1,3-diene.

2. Styrene and ethylene.

3. 1,3-Butadiene and ethylene.

4. None of the above.

The polymer that is not prepared by condensation process is: 

1. Melamine

2. Glyptal

3. Dacron

4. Neoprene