Dacron is a polymer of : 

1. Propylene and para HO—(C₆H₄)—OH

2. Benzoic acid and ethanol

3. Terephthalic acid and ethylene glycol

4. Benzoic acid and para HO—(C₆H₄)—OH

The structures of some common polymers are given. The incorrect match is:

(a)		(b)
(c)		(d)

A polymer of acrylonitrile is called:

1. Saran

2. Orlon

3. Dacron

4. Tetron

Natural rubber has:

1. All trans-configuration
2. Alternate cis - and trans-configuration
3. Random cis - and trans-configuration
4. All cis-configuration

A biodegradable polymer that can be prepared from glycine and aminocaproic acid is:
1. Nylon 2-nylon 6
2. PHBV
3. Buna-N
4. Nylon-6,6

The straight-chain polymer is formed by:

Dacron is an example of–

1. Elastomer

2. Fibre

3. Polyamide

4. Thermoaddition polymer

In the reaction–

Reagent X is–

1. Triethylaluminium and titanium tetrachloride.

2. Triethyl aluminum.

3. Zeigler Natta Catalyst.

4. Both 1 & 3

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.