_______________ is a natural fiber?
_______________ is a natural fiber?
A. Cellulose
B. Dacron
C. Nylon-6
D. None of these
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______________ is an addition polymer ?
______________ is an addition polymer ?A. Nylon
B. Bakelite
C. Polythene
D. None of theseCation exchange resins used in water treatment is made from _____________ resin?
Cation exchange resins used in water treatment is made from _____________ resin?A. Urea formaldehyde
B. Epoxy
C. Amino
D. PhenolicLiners of bags are usually made of ____________________?
Liners of bags are usually made of ____________________?A. Polythene
B. PVC
C. Polypropylene
D. PolyestersZeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?
Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?A. Vinyl acetate
B. Vinyl chloride
C. Propylene
D. StyreneWhich of the following is not a thermoplastic material ?
Which of the following is not a thermoplastic material ?A. Epoxy polymer
B. PVC
C. Polystyrene
D. Polythene________________ is produced by polymerisation of chloroprene?
________________ is produced by polymerisation of chloroprene?A. Thiokol (a polysulphide rubber)
B. Butyl rubber
C. Neoprene
D. Polyurethane rubber