rigid foam
engineering plastic
thermosetting polymer
spongy rubber
✅ The correct answer is option B.
Chemical Engineering MCQs
Vinyl flooring is done using __________ sheets.
polypropylene
PVC
polythene
polyvinyl acetate
✅ The correct answer is option B.
__________ is not a condensation polymer.
Teflon
Nylon-66
Dacron
Polystyrene
✅ The correct answer is option A.
__________ polythene is most prone to stress-cracking
High density
Low density
Cross-linked
Linear low density
✅ The correct answer is option A.
Neoprene is the trade name of
polyurethane
phenol formaldehyde
polychlorophrene
styrene butadiene rubber (SBR)
✅ The correct answer is option C.
Molecular weight of polymers are in the range of
10 to 103
102-107
107-109
109-1011
✅ The correct answer is option B.
Tyres are made by
injection moulding
extrusion
rotational moulding
compression moulding
✅ The correct answer is option C.
__________ is a thermosetting plastic.
PVC
Polythene
Bakelite
polystyrene
✅ The correct answer is option C.
A copolymer is formed by the combination of two or more monomer molecules
in a chain without the elimination of water.
with the elimination of small amount of water.
of the same monomer by elimination of small molecules of water.
none of these.
✅ The correct answer is option A.
Hydrochloric acid is also known as
Oil of vitriol
Muriatic acid
Strong organic acid
Green acid
✅ The correct answer is option B.