Question is ⇒ Polyvinyl chloride (PVC) is, Options are ⇒ (A) a thermosetting material., (B) a condensation polymerisation product., (C) made by employing emulsion polymerisation., (D) none of these., (E) , Leave your comments or Download question paper.

Question is ⇒ Polyvinyl chloride (PVC) is, Options are ⇒ (A) a thermosetting material., (B) a condensation polymerisation product., (C) made by employing emulsion polymerisation., (D) none of these., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Polyvinyl chloride (PVC) is
A.	a thermosetting material. [Wrong Answer]
B.	a condensation polymerisation product. [Wrong Answer]
C.	made by employing emulsion polymerisation. [Correct Answer]
D.	none of these. [Wrong Answer]
View Answer 4 -2 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.
Percent elongation
Resilience
Freezing point
Strength

⇒ Neoprene is rendered non-inflammable, because of
its cross-linked structure.
its linear chain structure.
the presence of chlorine atoms in its monomer.
the absence of chlorine atoms in its monomer.

⇒ In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
hexamethylene diamine and the ring.
hexamethylene diamine and the adipic acid.
adipic acid and the ring.
none of these.

⇒ Most commonly used rubber vulcanisation agent is
sulphur
bromine
platinum
alumina

⇒ Which of the following types of polymers has the strongest inter particle forces ?
Elastomers
Fibres
Thermoplastics
Thermosetting polymers

⇒ Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their
molecular sizes.
magnitude of intermolecular forces.
resistance to heat.
polymerisation mechanism.

⇒ Pick out the wrong statement.
Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre.
Crimp is a measure of the difference between the length of the straightened and unstraightend fibre.
Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning.
Nylon fibres have greater water absorption capacity than polyester fibres.

⇒ Addition of stabiliser during PVC manufacture is done to
improve its impact strength.
improve its elasticity.
reduce the melt viscosity & glass transition temperature.
prevent its thermal degradation.

⇒ Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?
PVC
Bakelite
PTFE
Epoxy resin

⇒ Commercial production of polypropylene employs __________ polymerisation.
emulsion
suspension
solution
bulk

⇒ Phenol formaldehyde
employs addition polymerisation.
employs condensation polymerisation.
is a monomer.
is an abrasive material.

⇒ Which of the following is an elastomer ?
Thiokol
Phenol formaldehyde
Urea formaldehyde
Polystyrene

⇒ Vinyl flooring is done using __________ sheets.
polypropylene
PVC
polythene
polyvinyl acetate

⇒ 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.

⇒ __________ tubes are good substitude for human blood vessels onrheart by-pass operation.
PVC
Polythene
Teflon/dacron
Polystyrene

⇒ Epoxy resin is
not used for surface coating.
a good abrasive.
an elastomer.
a polyester.

⇒ Thermosetting materials
are cross-linked molecules.
soften on application of heat.
are solvent soluble.
none of these.

⇒ Which of the following polymers does not belong to the class of polyacrylate polymer ?
PMMA
Polyacrylonitrile
Polyethyl acrylate
None of these

⇒ 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
siloxane elastomers.
polyamides.
vinyl polymers.
urea-formaldehyde resins.

⇒ Dacron is a/an
addition polymer
condensation polymer
polyester
both (b) and (c)

⇒ Neoprene is the trade name of
polyurethane
phenol formaldehyde
polychlorophrene
styrene butadiene rubber (SBR)

⇒ __________ is produced by polymerisation of chloroprene.
Thiokol (a polysulphide rubber)
Butyl rubber
Neoprene
Polyurathane rubber

⇒ Nylon 6 as compared to nylon 6, 6 has lower
abrasion resistance.
thermal stability.
adhesion to rubber.
hardness.

⇒ __________ fibres are made of polyamides.
Dacron
Nylon
Rayon
Orion

⇒ The repeating units of PTFE are
Cl₂CH-CH₃
F₂ C = CF₂
F₃ C-CF₃
FClC = CF₂

⇒ Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
glycerol
nitro cellulose
camphor
none of these

⇒ Styrene butadiene rubber (SBR) as compared to natural rubber has
poor tensile strength.
poorer resistance.
greater amount of heat build up heavy loading.
all (a), (b) ana (c).

⇒ Caprolactum, a raw material for the manufacture of nylon-6, is produced from
phenol
naphthalene
benzene
pyridine

⇒ Phthalic anhydride is used
in making PVC
as plasticisers
in insecticides manufacture
for making nylon-6

⇒ Thermoplastic resins usually
remain hard as long as they are hot.
can not be reclaimed from waste.
permanent setting resins.
less brittle than thermosetting resins.