a linear condensation product of phenol and formaldehyde

a cross linked condensation product of urea and formaldehyde

a cross linked condensation product of phenol and formaldehyde

a linear condensation product of urea and formaldehyde

MCQ Questions for Class 12 Engineering Chemistry Polymers Quiz 7

The polymer obtained from the following reactions is :

Synthetic rubber is:

0%
Polyisoprene
0%
Polychloroprene
0%
Polyethene
0%
Polyesters

Major product of the following reaction is :

Which of the following polymers is used to manufacture clothes for firefighters?

0%
Thiokol
0%
Kevlar
0%
Nomex
0%
Dynel

Which is the correct structural formula for terylene?

The commercial name of polyacrylonitrile is:

0%
dacron
0%
orlan (acrilan)
0%
PVC
0%
bakelite

The substance used to harden the rubber for tyre manufacture is:

0%
wax
0%
1,3-butadiene
0%
calcium carbide
0%
carbon black

Polytetrafluoroethylene is commercially knowns as?

0%
Teflon
0%
Freon
0%
Lewisite
0%
Westron

During the vinyl polymerisation, the chain transfer agent is:

0%
$$C{Cl}_{4}$$
0%
$${C}_{6}{H}_{5}OH$$
0%
t-butyl peroxide
0%
diphenylamine

Plexiglass, also known as PMMA is a polymenr of:

0%
methyl acrylate
0%
methyl methacrylate
0%
acrylic acid
0%
none of these

Which of the following cannot be oxidised by bromine water?

0%
D-arabinose
0%
D-glyceraldehyde
0%
L-glucose
0%
L-fructose

Which of the following polymerises most easily?

0%
$$CH_{3}CH_{2}CaCH$$
0%
0%
0%

The monomers of Buna-S polymers are:

0%
vinyl chloride and vinylidene
0%
styrene and butadiene
0%
acrylonitrile and butadiene
0%
isobutylene and isoprene

Which of the following alkene gives four monochloro (structural isomer)products after hydrogenation

0%
$$Pent-2-ene$$
0%
$$2-Methylbut-2-ene$$
0%
$$3-Methylhex-2-ene$$
0%
$$2,3-Dimethylbut-2-ene$$

Which of the following is condensation polymer?

0%
Polypropylene
0%
PMMA
0%
Glyptal
0%
Teflon

Which of the following fibre are used for formation of air craft canopies?

0%
Nylon
0%
Dacron
0%
Orlon
0%
Terylene

Which of the following is monomer of Nylon-$$6$$?

Which fiber is cellulose derivative:

0%
Nylon
0%
Rayon
0%
Wool
0%
Polyster

$$PMMA$$ is a:

0%
Polyamide
0%
Copolymer
0%
Step growth polymer
0%
Addition polymer

Poly-$$\beta$$-hydroxybutyrate - co-$$\beta$$-hydroxy valerate (PHBV) is a copolymer of:

0%
3-hydroxybutanoic acid and 4-hydroxypentanoic acid
0%
2-hydroxybutanoic acid and 3-hydroxypentanoic acid
0%
3-hydroxybutanoic acid and 2-hydroxypentanoic acid
0%
3-hydroxybutanoic acid and 3-hydroxypentanoic acid

Thermosetting polymer, bakelite is formed by the reaction of phenol with:

0%
$$CH_3CH_2CHO$$
0%
$$CH_3CHO$$
0%
$$HCHO$$
0%
$$HCOOH$$

Which of the following is a natural polymer?

0%
Bakelite
0%
Cellulose
0%
PVC
0%
Neoprene

The monomer of the polymer?

0%
0%
$${ CH }_{ 3 }-CH=CH-{ CH }_{ 3 }$$
0%
$${ CH }_{ 3 }-CH={ CH }_{ 2 }$$
0%

Monomer of polythene is:

0%
Alcohol
0%
Aldehyde
0%
Acid
0%
Ethylene

What percentage of sulphur is used in the vulcanization of rubber?

0%
$$5$$%
0%
$$3$$%
0%
$$30$$%
0%
$$55$$%

If Mw is the weight average molecular weight and Mn is the number average molecular weight of a polymer, the polydispersity index (PDI) of the polymer is given by:

0%

$$\dfrac{\overline{M}_n}{M_w}$$
0%

$$\dfrac{\overline{M}_w}{\overline{M}_n}$$
0%

$$\overline{M}_w \times \overline{M}_n$$
0%

$$\dfrac{1}{\overline{M}_w \times \overline{M}_n}$$

In elastomers, the intermolecular forces are _______.

0%
nil
0%
weak
0%
strong
0%
very strong

Caprolactam is the monomeric unit of :

0%
Nylon 6, 6
0%
Nylon 2-Nylon 6
0%
Nylon 6
0%
None of these

Which of the following is a step-growth polymer?

0%
Styrene
0%
Nylon-6,6
0%
Teflon
0%
Rubber

Which among the following is a step growth polymer?

0%
Polyether
0%
PVC
0%
Buna-S
0%
Dacron

The substance used for coagulating rubber from latex is :

0%
Ethanol
0%
Ethanoic acid
0%
Both
0%
None of these

The structure of Nylon-6 is:

Which one of the following is a polyamide polymer?

0%
Terylene
0%
Nylon-6
0%
Buna-S
0%
Bakelite

Which one of the following can be used as monomer in polymerisation reaction?

0%
$$CH_{3}CH_{2}Cl$$
0%
$$CH_{3}CH_{2}OH$$
0%
$$C_{6}H_{6}$$
0%
$$C_{3}H_{6}$$

Which of the following is a condensation homopolymer?

0%
Nylon - $$6$$
0%
Nylon - $$6,\:6$$
0%
Nylon - $$6,\:10$$
0%
Dacron

Bubble gum contains ________.

0%
thiokol rubber
0%
styrene - butadiene rubber
0%
isobutylen - isoprene rubber
0%
acrylonitrile - butadiene rubber

Nylon threads are made of ________.

0%
polyethylene polyemer
0%
polyvinyl polymer
0%
polyester polymer
0%
polyamide polymer

Low density polythene is prepared by:

0%
Free radical polymerizaiton
0%
Cationic polymerization
0%
Anionic polymerization
0%
Ziegler - Natta polymerization

Which of the following is wrong?

0%
PMMA is called plexiglass
0%
PTFE is called teflon
0%
SBR is natural rubber
0%
LDPE is called low density polythene

Which of the following has formaldehyde as one of the starting material?

0%
Melmac
0%
Alkyd resin
0%
PAN
0%
Acrilan

Soft drinks bottles and baby feeding bottles are generally made up of:

0%
polyester
0%
polyurethane
0%
polystyrene
0%
polyamide

Formation of polyethylene from calcium carbide takes place as given below:
$$CaC_{2}+2H_{2}O\rightarrow Ca\left ( OH \right )_{2}+C_{2}H_{2}$$
$$C_{2}H_{2}+H_{2}\rightarrow C_{2}H_{4}$$
$$nC_{2}H_{4}\rightarrow \left ( -CH_{2}-CH_{2}- \right )_n$$
The amount (in kg) of polyethylene obtained from $$64.1$$ kg of $$CaC_{2}$$ is