In the reaction–

Reagent X is–

1. Triethylaluminium and titanium tetrachloride.

2. Triethyl aluminum.

3. Zeigler Natta Catalyst.

4. Both 1 & 3

Monomer of natural rubber is: 

1. 1, 3-butadiene

2. Isoprene

3. Styrene

4. Chloroprene

The polymer that is addition as well as copolymer is: 

1. PHBV 

2. PVC

3. Buna-S 

4. Neoprene

Plastic household crockery is prepared by using :

1. Melamine and tetrafluoroethane.

2. Malonic acid and hexamethylene imine.

3. Melamine and vinyl acetate.

4. Melamine and formaldehyde.

The structure of the monomer used for the preparation of plexiglass is

1.  

2.  

3.  

4.  

The polymer that is used as a substitute for wool in making commercial fibres is -

1. Melamine

2. Nylon-6, 6

3. Polyacrylonitrile

4. Buna-N
 

Dacron is an example of–

1. Elastomer

2. Fibre

3. Polyamide

4. Thermoaddition polymer

Which of the following is an elastomer ?

1. Vulcanized rubber 

2. Dacron

3. Polystyrene

4. Melamine

The biodegradable polymer is:

1. Buna-S

2. Nylon-6, 6

3. Nylon 2-nylon 6

4. Nylon-6

Polymer that contains ester linkage is: 

1. Nylon-66

2. PVC

3. Terylene

4. SER