A. PVC
B. Bakelite
C. PTFE
D. Epoxy resin
Related Mcqs:
- Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is __________________?
A. Nylon-66
B. Teflon
C. Polyester
D. Bakelite - A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of_______________________?
A. Siloxane elastomers
B. Polyamides
C. Vinyl polymers
D. Urea-formaldehyde resins - SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?
A. 1: 3
B. 3 : 1
C. 1 : 2
D. 2 : 1 - 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 - In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher ___________________?
A. Densities
B. Melting point
C. Tensile strength
D. Hardness, rigidity & brittleness - Branched chain polymers compared to linear polymers have higher ____________________?
A. Density
B. Tensile strength
C. Melting point
D. Degree of irregularity in atomic packing - Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a ______________ polymer?
A. Thermoplastic
B. Thermosetting
C. Linear
D. Glass like transparent - Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?
A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon - 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 - Branched chair polymers as compared to linear polymers have _________________?
A. Higher melting point
B. Higher tensile strength
C. Lower density
D. None of these
Mcq Added by: admin