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Essential Chemistry for IGCSE - Polymers (Section 4)

1
What term is used to describe large molecules made up of repeating units?
Answer
(B)
Polymers
2
What type of polymerization involves monomers combining without losing any atoms?
Answer
(B)
Addition polymerization
3
Which type of reaction is involved in the formation of nylon?
Answer
(B)
Condensation polymerization
4
What is the monomer of poly(propene)?
Answer
(B)
Propene
5
Which of the following are examples of addition polymers?
Answer
A
C
6
How is a polymer formed by addition polymerization?
Answer
(B)
Monomers join by forming new bonds
7
Which of the following is a major environmental concern related to polymers?
Answer
(C)
Their non-biodegradability.
8
What functional group links the monomers in polyesters?
Answer
(B)
Ester
9
What type of bond is formed when a carboxylic acid reacts with an alcohol to form a polyester?
Answer
(A)
Ester
10
What is the name of the functional group found in polyamides?
Answer
(B)
Amide
11
Which is a common use for poly(ethene)?
Answer
(C)
Plastic bags
12
Which of the following is/are produced during incineration of plastics?
Answer
A
B
C
13
What type of monomers combine to make a polyester?
Answer
(A)
Alcohol and carboxylic acid
14
Which of the following monomers is used to make poly(chloroethene) (PVC)?
Answer
(C)
Chloroethene
15
What is the name of the process where monomers join together to form a polymer chain?
Answer
(B)
Polymerization
16
What are the main benefits of recycling plastics?
Answer
(B)
Reduces the need for raw materials.
17
Which are the main components of the environment that plastic can pollute?
Answer
A
B
C
18
What is the name of the bond formed in polyesters?
Answer
(B)
Ester
19
What is the name of the polymer that is made from the monomer tetrafluoroethene?
Answer
(D)
Polytetrafluoroethylene
20
What does the 'n' represent in the general polymer structure shown?
Answer
(C)
Degree of polymerization
21
What is a common use for poly(chloroethene)?
Answer
(B)
Electrical insulation
22
Which statement best describes the structure of a polymer?
Answer
(C)
A chain of repeating monomer units.
23
What are the monomers that make up a polyester?
Answer
A
B
D
24
Which of the following is formed by condensation polymerization?
Answer
(C)
Nylon
25
Which of the following is the definition of a monomer?
Answer
(B)
The smallest unit of a polymer chain.
26
Which of the following is a use for poly(chloroethene) (PVC)?
Answer
(C)
Electrical insulation
27
What are the building blocks of a polymer?
Answer
(B)
Monomers
28
What type of polymerization occurs when monomers join without losing any atoms and/or small molecules?
Answer
(B)
Addition polymerization
29
What is a common problem associated with the disposal of non-biodegradable plastics?
Answer
(B)
They contaminate water sources.
30
What type of reaction is involved in forming a polyester?
Answer
(B)
Condensation
31
What are some benefits of recycling plastic?
Answer
A
B
C
32
What is a common use of poly(propene)?
Answer
(B)
Packaging film
33
What type of functional group is formed during the formation of a polyester?
Answer
(B)
Ester
34
What is the fundamental building block of polymers?
Answer
(B)
Monomers
35
Which of the following are true about dealing with plastic waste?
Answer
A
B
D
36
What is the function of 'n' in the polymer formula (CH2-CH2)n?
Answer
(B)
Represents the degree of polymerization
37
Which of the following polymers is formed through addition polymerization?
Answer
(C)
Polyethylene
38
Which of the following are ways to deal with unwanted plastic?
Answer
A
B
C
39
Which of the following monomers is used to make polythene?
Answer
(A)
Ethene
40
Which of the following best describes a monomer?
Answer
(C)
A small molecule that combines to form a polymer.
41
What is the monomer of Teflon?
Answer
(C)
Tetrafluoroethene
42
Which of these is a disadvantage of burning plastics?
Answer
(A)
Produces toxic gases
43
Which of the following is a characteristic of addition polymers?
Answer
(C)
The polymer's repeating unit has the same atomic composition as the monomer.
44
Which of the following polymers are used to create fibres used in clothing?
Answer
A
C
45
What is the process called when monomers join together to form long chains?
Answer
(A)
Polymerization
46
In the formation of a polymer, what is the role of a catalyst?
Answer
(B)
To speed up the reaction
47
What are polymers made up of?
Answer
(B)
Monomers
48
Which type of polymerization is used to form polyethylene?
Answer
(B)
Addition
49
Which of the following methods is considered a sustainable way to manage plastic waste?
Answer
B
C
50
Which of the following statements best describes a condensation reaction in the context of polymer formation?
Answer
(B)
Monomers combine, and a small molecule (e.g., water) is eliminated.