Sulphur dioxide act as _________

(a)

antimicrobial agents

(b)

antioxidants

(c)

enzyme inhibitors

(d)

all the above

The monomer of PVC is _______

(a)

Vinyl carbonate

(b)

Vinyl Chloride

(c)

Vanadium carbonate

(d)

Vanadium chloride

Which of the following is not a non - narcotic analgesic?

(a)

codeine

(b)

acetaminophen

(c)

aspirin

(d)

ibuprofen

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