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Worksheets

Addition and Condensation

Total questions: 36

Worksheet time: 26mins

Name
Class
Date
1.

What is the partial structure of the polymer formed by the polymerisation of propene, CH3CH=CH2?

a)
b)
c)
d)
2.

Fats contain the linkage

a)

true

b)

false

3.

Starch can be hydrolysed to produce amino acids.

a)

true

b)

false

4.

Which two terms can be applied to polymers?

a)

addition polymer, polyamide

b)

addition polymer, polyester

c)

condensation polymer, polyamide

d)

condensation polymer, polyester

5.

Starch is a carbohydrate and is broken down to simple sugars by saliva. What is the term for this reaction?

a)

condensation

b)

fermentation

c)

hydrolysis

d)

polymerisation

6.

Which of these is a polymer of protein?

a)

(C2H3Cl)n

b)

(C5H8O2)n

c)

(C6H10O5)n

d)

(C2H3NO)n

7.

The diagram shows the partial structure of Terylene. From which pair of compounds is it made?

a)
b)
c)
d)
8.
If some of the atoms of the monomers are released into small molecules (such as H2O), we call this _____.
a)
addition polymerization
b)
terminal polymerization
c)
initiation polymerization
d)
condensation polymerization
9.

(a)   is the simplest polymer, composed of chains of repeating –CH2– units.

10.

1. Which of the following kind of polymers are known for their high crystallinity?

a)

a) isotactic

b)

b) syndiotactic

c)

c) atactic

d)

d) none of the mentioned

11.

1. The polymer in which steric placements of the substituent are arranged in such a way to give alternate d and l configurations, is known as _________________

a)

a) isotactic polymer

b)

b) atactic polymer

c)

c) syndio-tactic polymer

d)

d) none of the mentioned

12.

The monomer used to form the polymer shown below is …

a)

CH2CHOH.

b)

CH3CH2OH.

c)

CHOHCH2CHOHCH2.

d)

CHOHCHOH.

13.

Two types of polymer are shown below. Which of the following statements concerning these polymers is correct?

a)

X is thermoplastic whereas Y is thermosetting

b)

X is thermosetting whereas Y is thermoplastic

c)

Both are thermosetting

d)

Both are thermoplastic

14.

What is the name of the temperature above which a polymer is soft and flexible, but below which it is hard and brittle?

a)

The melting point

b)

The thermosetting temperature

c)

The crystalline temperature

d)

The glass transition temperature

15.

Firstly, polymers are long chains which are made up of many molecules known as monomers. These monomers can be anything from amino acids, to alkenes, to alcohols. What all polymers have in common is the type of bond which holds their monomers together. What type of bond is this?

a)

A metallic bond

b)

An ionic bond

c)

A covalent bond

d)

A hydrogen bond

16.

Polymers formed via addition polymerization are often used as plastics. The atoms/groups which make up the monomers determine the properties of the plastic. An example of this is polystyrene. Which monomers join together to form polystyrene?

a)

Ethene

b)

Chloroethene

c)

Propanol

d)

Phenylethene

17.

When non-symmetrical alkenes polymerize (such as chloroethene - which makes up PVC), there 3 ways in which the groups can be arranged in 3-D space. For example, if all of the -Cl groups in polychloroethene (PVC) were arranged in the same direction in 3-D space, the polymer would be described as isotactic. What term is used to describe a polymer where the groups are arranged randomly?

a)

Sporadic

b)

Syndiotactic

c)

Atactic

d)

Practic

18.

Which of the following is a thermosetting polymer?

a)

polystyrene

b)

polyethylene

c)

nylons

d)

epoxy

19.

The chain growth process is usually much slower than the condensation process.

a)

True

b)

False

20.

Which of the following reaction is not accompanied by elimination of a byproduct molecule?

a)

addition polymerization

b)

condensation polymerization

c)

both of the mentioned

d)

none of the mentioned

21.

Polymer classification based on structure are... EXCEPT

a)

Network

b)

Linear

c)

Synthetic

d)

Branched

22.

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

23.

Recycle bottles of plastic are made from

a)

peptides

b)

polyamides

c)

nylon

d)

polyethylene terephthalate

24.

In condensation of polymerization, monomers are involved which contain functional groups of

a)

same kind

b)

different kind

c)

all groups

d)

compounds

25.

Large molecules made up of small monomers are called

a)

polymers

b)

peptides

c)

peptones

d)

monomers

26.

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

a)

polyamides

b)

polyesters

c)

poly(ethene)

d)

all of them

27.

Deformation behavior of a thermoplastic plastic above glass transition temperature

a)

viscous fluid

b)

brittle

c)

leathery and then rubbery

d)

glassy

28.

Which polymer have this kind of structure?

a)

Elastomer

b)

Kevlar

c)

Rubber

d)

Cotton

29.

Small molecules that make up larger molecules

a)

polymer

b)

monomer

c)

plastic

d)

synthetic

30.

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

a)

thermoset

b)

thermoplastic

c)

elastomer

d)

kevlar

31.

Thermoplastic have...

a)

good surface finish, UV resistance, recyclabillity

b)

good surface finish, low strength, can't be reformed with heat

c)

good dimensional stability, low strength, good heat resistance

d)

high regidity, UV resistant, can be reformed with heat

32.

Stages involve in addition polymerization EXCEPT

a)

propagation

b)

catalyst

c)

termination

d)

initiation

33.

Plastic bottles are fabricated by using which method

a)

Rotational molding

b)

Injection molding

c)

Blow molding

d)

Extrusion

34.

Name of this process?

a)

Extrusion

b)

Compression molding

c)

Injection molding

d)

Transfer molding

35.

Which of the following reaction is not accompanied by elimination of a byproduct molecule?

a)

addition polymerization

b)

condensation polymerization

c)

both of the mentioned

d)

none of the mentioned

36.

Proteins are composed of what smaller subunits?

a)

amino acids

b)

fatty acids

c)

nucleic acids

d)

nucleotides