Example of addition polymer is:
1. Buna-S
2. Bakelite
3. Nylon-6
4. Melmac
Perspex or plexiglass is a polymer of:
1. Methyl methacrylate
2. Methylacrylate
3. Acrylonitrile
4. None of the above
Gutta parcha rubber is:
1. Trans-1,4-polyisoprene polymer
2. Thermoplastic
3. Used to fill a tooth
4. All of the above
A copolymer of isobutylene and isoprene is called:
1. Butyl rubber
2. Buna-S
3. Buna-N
4. Thiokol
The example of a thermosetting polymer among the following options is :
1.
2.
3.
4.
Buna-S is a synthetic copolymer of:
1. Styrene and Buta-1,3-diene
2. Styrene and Ethylene
3. 1,3-Butadiene and Ethylene
4. None of the above
Buna rubber is a polymer of:
1. 1,3-butadiene.
2. Vinyl acetate.
3. Styrene.
4. None of the above.
An example of biopolymer is
1. teflon
2. neoprene
3. nylon-66
4. DNA
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.
Polymerisation of chloroethylene gives the polymer:
1. polythene
2. PVC
3. teflon
4. nylon