Essential Chemistry for IGCSE - Polymers (Section 1)
1
Which of the following best describes the structure of a monomer for an addition polymer?
2
What two functional groups are needed for the formation of a polyester?
Απάντηση(A)
Carboxylic acid and alcohol
3
Which of the following materials would be synthesized through addition polymerization?
4
What is the term used to describe large molecules made up of repeating units?
5
Which of the following is a monomer used to make poly(propene)?
6
Which of the following combinations of functional groups react to form an ester linkage?
Απάντηση(B)
Alcohol and carboxylic acid
7
What is the common small molecule eliminated during the formation of a polyester?
8
Which of the following is a source of monomers for addition polymerization?
9
In an addition reaction, what happens to the double bond?
Απάντηση(B)
It is converted to a single bond.
10
Which of the following is a method used to dispose of plastic waste?
11
What is the main type of linkage in a polyamide such as nylon?
12
What is a by-product of condensation polymerization?
13
What type of linkage is found in polyesters?
14
What is the name given to the small molecule that is often released during condensation polymerization?
15
What two compounds are reacted to form nylon?
16
Which two functional groups are present in the monomers used to make a polyamide?
Απάντηση(C)
Carboxylic acid and amine
17
What is the linkage that is present in polyamides, such as nylon?
18
Which are some examples of polymers?
19
Which of the following is not a way to deal with plastic waste, as presented in the provided material?
20
Which two of the following are considered environmental problems with plastics?
21
Which of the following is not an environmental concern related to plastics?
22
What type of linkage characterizes polyesters?
23
What problems are caused by burning plastics at high temperatures?
Απάντηση(B)
Produces poisonous compounds
24
Which of the following is NOT a method used to deal with plastic waste?
25
Which two of the following are commonly used for making plastics?
26
What is the small molecule that is typically eliminated during condensation polymerization?
27
What is the general term for the smaller molecules from which polymers are made?
28
How are polymers broken down?
29
What are the properties of the monomers that make up the polymers?
30
Which of the following describes how polymers are formed from monomers?
Απάντηση(A)
Monomers link with no changes in the number of atoms
31
Which is a common method to recycle plastics?
Απάντηση(B)
By melting and remolding the plastic
32
Which two of the following are problems associated with the disposal of plastics?
33
What type of linkage is characteristic of a polyamide?
34
What are the two main types of polymers?
35
How many monomers are needed to form one repeating unit?
36
Which of the following is a problem associated with burning plastics?
37
What is the name of the process where a small molecule is formed during the formation of a polymer?
Απάντηση(B)
Condensation polymerization
38
Which of the following is formed by addition polymerization?
39
What are the products that result from condensation polymerization?
40
What is the repeating unit of a polymer?
Απάντηση(B)
A single monomer or group of monomers
41
What type of bond must be present in a molecule for it to undergo addition polymerization?
42
Which of the following is a characteristic of addition polymerization?
Απάντηση(A)
The polymer molecules form by joining the monomers together.
43
Which two of the following are properties used for the creation of polymers?
44
Which of the following polymers is made from condensation polymerization?
45
Which small molecule is most commonly eliminated in condensation polymerization?
46
Which of the following is the best definition of a polymer?
Απάντηση(C)
A large molecule made up of repeating units.
47
What is the general formula for the formation of a polyamide?
Απάντηση(B)
Acid + Amine -> Amide + Water
48
What type of linkage is present in a polyester?
49
What type of reaction joins the monomer together to form a polymer and another product?
Απάντηση(B)
Condensation polymerization
50
What is the process of joining monomers together to form a polymer?
