Which are true for terpolymer?
(a) Contains three monomers
(b) ABS plastic
(c) A polymer of acrylonitrile, butadiene and styrene
(d) All of the above
Nylon-6, 10 is a polymer of.
(a) hexamethylene and adipic acid
(b) hexamethylene and sebacic acid
(c) caprolactam
(d) none of the above
The abbreviation PDI refers to:
(a) name of the polymer
(b) polydispersity index of polymer
(c) application of polymer
(d) poly diagonal index
The monomer units of silicons a water repellant, acid resistant and heat resistant polymer is:
(a) Si (b) SiO2
(c) R2SiO (d) none of these
The monomer units of PTFE are:
1. Cl2CH-CH3
2. F2C=CF2
3. F3C-CF3
4. FClC=CF2
Which of the following natural products is not a polymer ?
(a) DNA
(b) Cellulose
(c) ATP
(d) Urease
Which of the following is wrong?
1. PMMA is called plexiglass
2. PTFE is called teflon
3. SBR is called natural rubber
4. LDPE is called low density polyethylene
Nylons, polyesters and cotton, all possess strength due to:
(a) intermolecule H-bonding
(b) van der Waals’ attraction
(c) dipole-dipole interaction
(d) none of the above
The catalyst used in the manufacture of polythene by Ziegler method is:
1. Titanium tetrachloride and triphenyl galium
2. Titanium tetrachloride and triethyl aluminium
3. Titanium dioxide
4. Titanium isopropoxide
Of the following the step growth polymer is :
1. Bakelite
2. Polyethylene
3. Teflon
4. PVC