Main constituent of cotton fiber is __________________?
Main constituent of cotton fiber is __________________?
A. Lignin
B. Cellulose
C. Starch
D. Gelatine
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Buna-N is also called__________________?
Buna-N is also called__________________?A. Butyl rubber
B. Nitrile rubber
C. Neoprene
D. ThiokolWhich of the following polymers shows the highest anti-tacking properties ?
Which of the following polymers shows the highest anti-tacking properties ?A. Melamine formaldehyde resin
B. Phenolic resin
C. Epoxy resin
D. Alkyd resinNylon-6 as compared to nylon-66 is_________________?
Nylon-6 as compared to nylon-66 is_________________?A. Harder
B. More abrasion resistant
C. Having higher melting point
D. None of theseStyrene butadiene rubber is commercially manufactured by__________________?
Styrene butadiene rubber is commercially manufactured by__________________?A. Bulk polymerisation
B. Suspension polymerisation
C. Solution polymerisation
D. Emulsion polymerisation_______________________ is not a condensation polymer ?
_______________________ is not a condensation polymer ?A. Teflon
B. Nylon-66
C. Dacron
D. PolystyreneWhich of the following is the lowest cost plastic commercially available ?
Which of the following is the lowest cost plastic commercially available ?A. Polythene
B. Teflon
C. Bakelite
D. PVC