A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Regenerated cellulose acetate
D. None of these
Related Mcqs:
- The synthetic fibres produced from _____________ are known as rayon?
A. Lignin
B. Cellulose
C. Polyamides
D. Ethylene glycol - Rayon is a ____________ fibre?
A. Cellulosic
B. Polyamide
C. Polyester
D. Natural - Rayon is superior to cotton in making gauge for wound treatment, because rayon_____________________?
A. Is a synthetic polymer
B. Does not stick to the wound unlike cotton
C. Can absorb over 90% of its own weight of water
D. Both B. and C. - Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?
A. Polyamide & an elastomer
B. Good adhesive
C. Surface coating agent
D. Both B. and C. - Buna-S is a _______________ material?
A. Fibrous
B. Plastic
C. Resinous
D. Rubbery - _______________ practically possess no elasticity?
A. Vulcanite or ebonite
B. Spandex fibre
C. Polysulphide rubber
D. Epoxy resin - Nylon-6 is manufactured from _______________?
A. Caprolactam
B. Adipic acid and Hexamethylenediamine
C. Maleic anhydride and Hexamethylenediamine
D. Sebacic acid and Hexamethylenediamine - Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by _______________, which decompose to give free radicals?
A. Organic peroxides
B. Sulphuric acid
C. Hydrofluoric acid
D. None of these - _______________ is a natural fiber?
A. Cellulose
B. Dacron
C. Nylon-6
D. None of these - _______________ is a copolymer ?
A. Nylon-66
B. Polypropylene
C. PVC
D. Poly tetra fluoro ethylene