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

1. 

2. ${\mathrm{CF}}_2={\mathrm{CF}}_2$

3. ${\mathrm{CH}}_2=\mathrm{CHCl}$

4. ${\mathrm{CCl}}_2={\mathrm{CCl}}_2$

Structures of some common polymers are given. The incorrect representation among the following is: 

1. Teflon  

2. Neoprene 

3. Terylene  

4. Nylon-6,6   

Nylon-6, 10 is a polymer of:

1. Hexamethylenediamine and adipic acid

2. Hexamethylenediamine and sebacic acid

3. Caprolactam

4. None of the above

Monomer of  is 

1. 2-methyl propene

2. styrene

3. propylene

4. ethene

Polymerisation of chloroethylene gives the polymer:

1. polythene

2. PVC

3. teflon

4. nylon

Glyptal or alkyd is polymer of:

1. Ethylene glycol and phthalic acid.

2. Ethylene and phthalic acid.

3. Phthalic acid and acetylene.

4. None of the above.

Example of addition polymer is:

1. Buna-S

2. Bakelite

3. Nylon-6

4. Melmac

Perspex or plexiglass is a polymer of:

1. Methyl methacrylate

2. Methylacrylate

3. Acrylonitrile

4. None of the above

Gutta parcha rubber is:

1.  Trans-1,4-polyisoprene polymer

2. Thermoplastic

3.  Used to fill a tooth

4. All of the above

A copolymer of isobutylene and isoprene is called:

1. Butyl rubber

2. Buna-S

3. Buna-N

4. Thiokol