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Essential Chemistry for IGCSE - Polymers (Section 3)

1
What type of bond is broken when monomers combine during addition polymerization?
Answer
(B)
A double bond
2
What type of bond is broken in the ethene molecule during the process of polymerization?
Answer
(B)
Double bond
3
What type of reaction is used to create a polyester?
Answer
(B)
Condensation reaction
4
What are the features of plastic that allow it to be moulded?
Answer
A
B
C
5
What type of linkage is formed in polyesters?
Answer
(B)
Ester
6
Which of the following is the monomer of Teflon?
Answer
(D)
Tetrafluoroethene
7
Which statement best describes the process of addition polymerization?
Answer
(C)
Monomers react with each other to form a polymer and no other products.
8
Which is the correct formula for the monomer of poly(chloroethene) (PVC)?
Answer
(B)
CH2=CHCl
9
Which of the following is a disadvantage of landfilling plastics?
Answer
(B)
Slow degradation of the plastics.
10
Which of the following is NOT a macromolecule?
Answer
(C)
Lipid
11
In which type of polymerization is a small molecule eliminated?
Answer
(B)
Condensation polymerization
12
Which of these is a benefit of burning plastics for energy?
Answer
A
C
D
13
Which of the following processes is used in the synthesis of nylon?
Answer
(B)
Condensation polymerization
14
Which of the following are examples of polymers?
Answer
A
B
C
15
What is the main environmental concern with many plastics?
Answer
(C)
They are non-biodegradable.
16
Which of the following is NOT a characteristic of condensation polymerization?
Answer
(C)
Involves the use of a catalyst.
17
What are the properties of plastics?
Answer
A
C
18
What are some products formed by using polymers?
Answer
A
B
C
19
Which of the following is a characteristic of addition polymerization?
Answer
(C)
The polymer chain grows by adding monomers to the active end.
20
What type of functional group is present in nylon?
Answer
(B)
Amide
21
Which of the following are formed by condensation polymerization?
Answer
B
C
22
What is one common issue with the disposal of plastic waste?
Answer
(C)
They are non-biodegradable.
23
What is the name of the small molecule that is eliminated during the formation of a polyester?
Answer
(A)
Water
24
What is the repeating unit in a polymer?
Answer
(A)
The monomer
25
What type of monomers react to form a polyamide?
Answer
(B)
Amine and carboxylic acid
26
What are the monomers used to make the polymer nylon?
Answer
(B)
Carboxylic acid and amine
27
Which of the following is NOT a common property of polymers?
Answer
(D)
Good electrical conductivity
28
What is the function of burning plastic?
Answer
(B)
To reduce the volume of waste
29
Which of the following are ways to reduce the environmental impact of plastics?
Answer
A
B
C
30
What type of bond is formed during the polymerization of ethene to make polyethene?
Answer
(C)
Covalent bond
31
Which of the following is a use of nylon?
Answer
(C)
Clothing
32
Which of the following is an example of a condensation polymer?
Answer
B
C
33
What type of reaction occurs when a carboxylic acid reacts with an alcohol?
Answer
(A)
Esterification
34
Which of the following can be used for recycling?
Answer
A
B
C
D
35
What small molecule is typically eliminated during the formation of a polyamide?
Answer
(A)
Water
36
What is the small molecule eliminated during the formation of a polyester?
Answer
(A)
Water
37
Which of the following is a major drawback of many plastics?
Answer
(C)
They are non-biodegradable.
38
What distinguishes addition polymerization from condensation polymerization?
Answer
(D)
Addition does not produce any other products. Condensation eliminates a molecule.
39
Which monomers combine to form nylon?
Answer
(B)
A carboxylic acid and an amine
40
What small molecule is typically eliminated when forming a polyamide?
Answer
(A)
Water
41
What are the two main types of polymerization discussed in the text?
Answer
(B)
Condensation and Addition
42
Which of these statements is correct about the formation of a polymer?
Answer
(D)
Polymers are made up of repeating units.
43
What steps can reduce the problems caused by plastic waste?
Answer
A
B
C
44
Which of the following is NOT a method of dealing with plastic waste?
Answer
(D)
Leaving it in the environment
45
What type of linkage is formed when an amine reacts with a carboxylic acid?
Answer
(B)
Amide
46
Which of the following polymers is NOT formed via addition polymerization?
Answer
(C)
Polyester
47
What is the primary difference between addition and condensation polymerization?
Answer
(B)
Condensation polymerization involves the elimination of a small molecule; addition does not.
48
What is the repeating unit in the polymer formed from propene?
Answer
(C)
CH2CHCH3
49
What are the main uses for nylon?
Answer
A
B
C
50
In the reaction to form nylon, what two molecules are combined?
Answer
(A)
A dicarboxylic acid and an amine