Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?

A. Acrylonitrile & butadiene
B. Acrylonitrile & styrene
C. Isobutylene & isoprene
D. None of these

A. Nylon
B. Polyacrylonitrile
C. Polypropylene
D. Polyester

A. Polypropylene
B. Polystyrene
C. Polyester
D. Polyurethane

A. 7 kgf/cm2 and 70 °C
B. 1000 kgf/cm2 and 100°C
C. 7 kgf/cm2 and 700°C
D. 1 kgf/cm2 (gage) and 70°C

A. Phenol formaldehyde
B. An inorganic polymer
C. Polytetrafluroethylene (PTFE)
D. A monomer