solid
liquid
combination of solid & liquid
neither solid nor liquid
✅ The correct answer is option C.
Polymer Technology 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
nylon-66
teflon
polyester
bakelite
✅ The correct answer is option B.
Gutta parcha rubber is
soft & tacky at room temperature.
an isomer of natural rubber.
a thermosetting resin.
recovered by coagulation of rubber latex.
✅ The correct answer is option B.
Polycaprolactum is
nylon-6
nylon-66
dacron
rayon
✅ The correct answer is option A.
Elastomers are
thermosetting material.
exemplified by protein derivatives.
having high flexural strength.
having very high tensile strength and heat resistance.
✅ The correct answer is option C.
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
glycerol
nitro cellulose
camphor
none of these
✅ The correct answer is option C.
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?
Starch
Cellulose
Proteins
Nucleic acids
✅ The correct answer is option C.
Most commonly used rubber vulcanisation agent is
sulphur
bromine
platinum
alumina
✅ The correct answer is option A.
Which of the following is not an elastomer ?
Polyisoprene
Neoprene
Nitrile-butadiene
None of these
✅ The correct answer is option D.
β – glucose is the monomer of
cellulose
starch
protein
none of these
✅ The correct answer is option A.