The monomer of natural rubber is A. DMT ______________________?
The monomer of natural rubber is A. DMT ______________________?
B. Isoprene
C. 2 methyl-1 propane
D. Both B. and C.
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Nylon-66 is a polyamide of __________________?
Nylon-66 is a polyamide of __________________?A. Hexamethylene diamine and adipic acid
B. Adipic acid and methyl amine
C. Vinyl chloride and formaldehyde
D. None of theseCrystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding_________________?
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding_________________?A. Glycerol
B. Nitro cellulose
C. Camphor
D. None of theseCommercial production of polypropylene employs _____________ polymerisation?
Commercial production of polypropylene employs _____________ polymerisation?A. Emulsion
B. Suspension
C. Solution
D. BulkBuna-S is also called____________________?
Buna-S is also called____________________?A. Polyurethane
B. SBR
C. Teflon
D. BakeliteLow density polythene as compared to high density polythene is____________________?
Low density polythene as compared to high density polythene is____________________?A. Harder
B. Tougher
C. Chemically inert
D. More flexiblePolycaprolactam is____________________?
Polycaprolactam is____________________?A. Nylon-6
B. Nylon-66
C. Dacron
D. Rayon