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.
2.
3.
4.
The polymer that can be classified as polyster polymer is :
1. Bakelite
2. Melamine
3. Nylon-66
4. Terylene
Which one of the following monomers gives the polymer neoprene on polymerization?
1.
2.
3.
4.
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
Gutta parcha rubber is:
1. Trans-1,4-polyisoprene polymer
2. Thermoplastic
3. Used to fill a tooth
4. All of the above
The example of a thermosetting polymer among the following options is :
1.
2.
3.
4.