Polymerisation of chloroethylene gives the polymer:
1. Polythene
2. PVC
3. Teflon
4. Nylon
Glyptal is polymer of:
1. Ethylene glycol and phthalic acid
2. Eethylene and ohthalic 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) Dacron
Gutta parcha rubber is:
1. a trans-1,4-polyisoprene polymer
2. a very hard material
3. a natural polymer
4. all of the above
Which one of the following is an example of a thermosetting polymer ?
The polymer that is not prepared by condensation process is:
1. Melamine
2. Glyptal
3. Dacron
4. Neoprene
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-btadiene
(2) vinyl acetate
(3) styrene
(4) none of these
Natural rubber is a polymer of :-
1. Isoprene
2. Styrene
3. Ethylene
4. Butadiene
Polymer that is used to make non stick cookware is:
1. PVC
2. Polysterene
3. Polyethylene
4. PTFE