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Chemistry Form 5 Polymer

Total questions: 55

Worksheet time: 39mins

Name
Class
Date
1.

Amino acids react to form peptides and proteins, this process is known as

a)

addition polymerization

b)

substitution polymerization

c)

condensation polymerization

d)

hydration polymerization

2.

Large molecules made up of small monomers are called

a)

polymers

b)

peptides

c)

peptones

d)

monomers

3.

Monomers of ethene in thousand numbers react together in addition polymerization to produce

a)

polyamides

b)

polyesters

c)

poly(ethene)

d)

all of them

4.

Once formed, it can be heated and reformed over and over again

a)

thermoset

b)

thermoplastic

c)

elastomer

d)

kevlar

5.
Proteins are composed of what smaller subunits?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
6.

Which of these is an example of synthetic polymer?

a)

cotton fibers

b)

rubber

c)

wool

d)

polyvinyl chloride (PVC)

7.

What is the name of the reaction used to make polymers?

a)

polymerization

b)

cracking

c)

polygonization

d)

precipitation

8.
This image is an example of: 
a)
Nylon
b)
Polyester
c)
Polystyrene
d)
Polyvinyl chloride
9.

Which polymers occur naturally?

a)

Starch and Nylon

b)

Starch and Cellulose

c)

Proteins and Nylon

d)

Proteins and PVC

10.

Which one of the following polymers is prepared by condensation polymerization?

a)

Teflon

b)

Rubber

c)

Styrene

d)

Nylon-6,6

11.

Nylon is not a

a)

condensation polymer

b)

co-polymer

c)

polyamide

d)

homopolymer

12.

Bulletproof vests are made of

a)

Polyisoprene

b)

PET

c)

PS

d)

Kevlar

13.

Polymers are synthesized via

a)

dehydration

b)

addition

c)

dehydration and addition

d)

neither

14.

which of the following is not a product of condensation polymerisation

a)

kevlar

b)

nylon 6,6

c)

dacron

d)

polyvinyl chloride

15.

1,6-hexadiamine and hexanedioic acid are the monomers for

a)

kevlar

b)

nylon 6,6

c)

nylon 6

d)

terylene

16.

The basic unit of a polymer is known as monomer.

a)

true

b)

false

17.

Which of the following is a natural polymer?

a)

Cotton

b)

Nylon

c)

Polyethene

18.

The monomer for cellulose is glucose.

a)

True

b)

False

19.

The monomer for protein is styrene.

a)

True

b)

False

20.

Which of the following is the example for thermoplastic polymer?

a)

Polyethene

b)

Melamine

c)

Nylon

d)

Polyurethane

21.

Which of the following is the example for this polymer?

a)

Polyethene

b)

Melamine

c)

Bakelite

d)

Polyurethane

22.

What is the monomer for this polymer?

a)

Ethane

b)

Ethene

c)

Propane

d)

Propene

23.

Can saturated hydrocarbon undergo addition polymerisation reaction?

a)

Yes

b)

No

24.

__________ polymerisation involves at least two different monomers.

a)

Addition

b)

Condensation

c)

Substitution

d)

Oxidation

25.

Which polymer is suitable to make water pipes?

a)

Polyethene

b)

Polystyrene

c)

Polyvinyl chloride

d)

Polypropene

26.

Name this monomer.

a)

Vinyl chloride

b)

Styrene

c)

Terylene

27.

Name this polymer.

a)

Nylon

b)

Styrene

c)

Terylene

28.

____________ polymer is a polymer that can be repeatedly remoulded upon heating and can be recycled.

a)

Thermoplastic

b)

Thermosetting

c)

Elastomer

29.

Which of the following is the type of polymer for SBR?

a)
b)
c)
30.

What are the characteristics of synthetic polymer?

a)

Good insulator of heat

b)

Very reactive

c)

Resistant to high heat

d)

Hard and brittle

31.

Which of the following is the correct monomer?

a)

CH2 = CH2

b)

CH3 = CH3

c)

CH2=CHCH3

d)

CH3CH=CHCH3

32.

Which of the following statements are true about THIS rubber?

a)

More elastic

b)

Easily oxidized

c)

Can withstand high temperature

d)

When stretched beyond elastic limit, the rubber will break

33.

What is the most suitable way to prevent this situation to happen?

a)

Add ammonia solution

b)

Add ethanoic acid

c)

Add hydrochloric acid

d)

Add zinc chloride

34.

Rubber X is more resistant to heat than rubber Y.

TRUE OR FALSE.

a)

True

b)

False

35.

Neoprene is a synthetic polymer. which of the following is the uses of neoprene?

a)

Gloves

b)

Tyres

c)

Conveyor belt

d)

Medical implants

36.

The IUPAC name of natural rubber is

a)

poly(chloroethene)

b)

poly(2-methylbut-1,3-diene)

c)

poly(tetrafluroethene)

d)

polymethyl methacrylate

37.

What should be done to natural rubber to produce tyres that are harder and more heat resistant?

a)

heat with sulphur

b)

add iron wire

c)

add ammonia solution

d)

add ethanoic acid

38.

A rubber tapper finds that latex coagulates after several hours. What substance should be added into the latex to prevent it from coagulating?

a)

Ethanoic acid

b)

Sodium chloride solution

c)

Ammonia solution

d)

Disulphur dichloride

39.

The aircraft tyres are made from vulcanised rubber. What property of vulcanised rubber makes it suitable to be used for making these aircraft tyres?

a)

it resist to oxidation

b)

it is harder and stronger

c)

it can maintain their elasticity

d)

it can withstand tremendous stress

40.

Which of the following is the correct structure of vulcanised natural rubber?

a)
b)
c)
d)
41.

Which of the following is the monomer of natural rubber?

a)
b)
c)
d)
42.

Which of the following is not the property of natural rubber?

a)

Sensitive to heat

b)

Elasticity decreases over time

c)

Easily oxidized by air

d)

Hard and brittle

43.

The protein membrane of natural rubber is surrounded by negative charge. What is the name of a process if the natural rubber is added with ethanoic acid?

a)

Vulcanisation

b)

Polymerisation

c)

Coagulation

d)

Hydrogenation

44.

Vulcanised rubber produced from irradiation is more environmental friendly because it is

a)

easily oxidised

b)

free from sulphur

c)

unsaturated

45.

Fresh latex will coagulate if left overnight because

a)

Latex produce lactic acid

b)

Latex oxidised by oxygen in the air

c)

The bacteria in the air react on the protein membrane to produce lactic acid

d)

The bacteria in the air react on the protein membrane to produce alkaline solution

46.

Natural rubber cannot withstand heat. Which process can make natural rubber harder?

a)

Heat the natural rubber with copper (II) oxide

b)

Heat the natural rubber with methane gas

c)

Dip the natural rubber with ammonia solution

d)

Dip the natural rubber in solution of disulphur dichloride in methyl benzene

47.

Which of the following is true about vulcanized and unvulcanized rubber?

a)

Vulcanized rubber is less elastic than unvulcanized rubber

b)

Vulcanized rubber become soft and sticky easily compared to unvulcanized rubber

c)

Vulcanized rubber is stronger than unvulcanized rubber

d)

Vulcanized rubber is more easily oxidised than unvulcanized rubber

48.

Large molecules made up of small monomers are called

a)

polymers

b)

peptides

c)

peptones

d)

monomers

49.

Monomers of ethene in thousand numbers react together in addition polymerisation to produce

a)

polyamides

b)

polyesters

c)

polyethene

d)

polypropene

50.

Which of these is an example of synthetic polymer?

a)

cotton fibers

b)

rubber

c)

wool

d)

polyvinyl chloride (PVC)

51.

What is the name of the reaction used to make polymers?

a)

polymerization

b)

cracking

c)

polygonization

d)

precipitation

52.

Which one of the following polymers is prepared by condensation polymerization?

a)

Teflon

b)

Rubber

c)

Styrene

d)

Nylon-6,6

53.

Which of the following is TRUE about thermoplastic polymers?

a)

can be remoulded

b)

cannot be recycled

c)

can be stretched

d)

high elasticity

54.

Once formed, it can be heated and reformed over and over again

a)

thermoset

b)

thermoplastic

c)

elastomer

d)

kevlar

55.

Which polymers occur naturally?

a)

Starch and Nylon

b)

Starch and Cellulose

c)

Proteins and Nylon

d)

Proteins and PVC

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