Melamine plastic crockery is a copolymer of:

1. HCHO and melamine

2. HCHO and ethylene

3. Melamine and ethylene

4. none of the above

Acrilan is a hard,  wool-like feel and a high melting material. Which of the following represents its structure?

1. ${\left(-{\mathrm{CH}}_2-\underset{{\mathrm{COOC}}_2{\mathrm{H}}_5}{\underset{|}{\mathrm{CH}}}-\right)}_n$

2. ${\left(-{\mathrm{CH}}_2-\underset{\mathrm{Cl}}{\underset{|}{\mathrm{CH}}}-\right)}_n$

3. ${\left(-{\mathrm{CH}}_2-\underset{\mathrm{CN}}{\underset{|}{\mathrm{CH}}}-\right)}_n$

4. ${\left(-{\mathrm{CH}}_2-\underset{{\mathrm{COOCH}}_3}{\underset{|}{\stackrel{{\mathrm{CH}}_3}{\stackrel{|}{\mathrm{C}}}}}-\right)}_n$

The polymer that can be classified as polyster polymer is : 

1. Bakelite

2. Melamine

3. Nylon-66

4. Terylene

Monomer of neoprene is: 

1. 

2. 

3. 

4. 

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.