A. Addition polymer
B. Elastomer
C. Thermoplastic
D. None of these
Related Mcqs:
- Condensation polymerisation of _____________ produces Bakelite?
A. Propylene
B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde - Bakelite (phenol-formaldehyde) resin cannot be used as________________?
A. Decorative paint
B. Decorative laminates
C. Electrical insulation
D. Glass reinforced plastics - The monomer of natural rubber is A. DMT ______________________?
B. Isoprene
C. 2 methyl-1 propane
D. Both B. and C. - In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for _______________ fibres?
A. Polythene
B. PVC
C. Rayon
D. Polyvinyl acetate - Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?
A. Starch
B. Cellulose
C. Proteins
D. Nucleic acids - Pick out the wrong statement ?
A. Cold SBR is superior as compared to hot SBR
B. Polymerisation temperature can modify the properties of SBR
C. Production of cold SBR employs lower pressure as compared to that of hot SBR
D. None of these - Which of the following is a copolymer ?
A. PVC
B. Bakelite
C. Polythene
D. Teflon - Flexible foam (for mattresses) are usually made of _________________?
A. PVC
B. Silicone rubber
C. Polyurethanes
D. Polyamides - Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA) ?
A. Perspex
B. Lucite
C. Plexiglass
D. Teflon - _____________ polythene is most prone to stress-cracking ?
A. High density
B. Low density
C. Cross-linked
D. Linear low density