Zeiglar Natta catalyst is _________

(a)

TiCl₄ + (C₂H₅)₃ Al

(b)

- (CF₂ - CF₂) -

(c)

TiCl₄

(d)

(C₂H₅)₃ Al

Addition polymerisation is also called as _______ polymerisation.

(a)

chain growth

(b)

condensation

(c)

step growth

(d)

none of the above

The polymer obtained by the condensation of phenol with formaldehyde is ________

(a)

Terylene

(b)

Nylon - 6

(c)

Bakelite

(d)

Neoprene

The specific treatment of a disease using medicine is known as ________

(a)

inhibitors

(b)

chemotherapy

(c)

Competitire inhibiters

(d)

both (a) and (c)

Proteins which act as biological catalysts are called ________

(a)

enzymes

(b)

hormones

(c)

vitamins

(d)

polymers