Terylene is not a : 

1. Synthetic fiber

2. Thermosetting plastic

3. Step-growth polymer

4. Condensation polymer

Perlon is also known as:

1. Nylon-6, 10

2. Nylon-4, 4

3. Nylon 6, 6, 6

4. Nylon-6

Cellulose is a condensation polymer of

1. $\mathrm{\alpha }$-galactose

2. $\mathrm{\alpha }$-glucose

3. $\mathrm{\beta }$-glucose 

4. $\mathrm{\beta }$-galactose

Toluene di-isocyanate is used to prepare

(1) polyamides

(2) polyurethanes

(3) polycarbonates

(4) polyesters

An example of elastomer among the following is: 

1. Dacron

2. Melamine

3. Vulcanized rubber

4. Polystyrene

A polymer of prop-2-ene nitrile is called

(1) Tetron

(2) Saran

(3) Orlon

(4) Dacron

Monomers that are used in the manufacture of 'Dacron' are: 

(1) Acrylonitrile and vinyl acetate

(2) Terephthalic acid and ethylene glycol

(3) Phthalic acid and ethylene glycol

(4) Adipic acid and hexamethylene diamine

Consider the following sequence of reactions.

The polymer (Y) is -

1. PVC

2. Saran

3. Neoprene

4. Chloroprene

The chemical name of 'Melamine' is:

1. l, 3, 5-Triamine-2, 4, 6-triazine

2. 2, 4, 6-Triamine-l, 3, 5-triazine

3. 2-Amino-l, 3, 5-triazine

4. 2, 4-Diamino-l, 3, 5-triazine

Peroxide initiated polymerizations occur via -

1. Hydrocarbon combustion 

2. Natural process synthesis

3. Isomeric saponification

4. Free radical chain propagation