Question 1

Which of the following is the repeating unit in polyvinyl chloride (PVC) ?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) A) and B)
F) A) and C)

Question 2

What is the name given to polymers that soften when heated and harden when cooled?

Accepted Answer

A)  Cross-linked polymers
B)  Copolymers
C)  Thermosetting polymers
D)  ThermoplasticsE) All of the above
F) C) and D)

Question 3

The repeating unit of poly(methyl methacrylate) is shown below.Which one of the following is the monomer used to make poly(methyl methacrylate) ?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) C) and D)
F) A) and B)

Question 4

What is the classification of the following polymer in which X and Y represent repeating units?

Accepted Answer

A)  Block copolymer
B)  Homopolymer
C)  Alternating copolymer
D)  Random copolymerE) None of the above
F) C) and D)

Question 5

Which monomer and which type of initiator would you use to synthesize the following polymer?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) None of the above
G) B) and C)

Exam 28: Synthetic Polymers

The repeating unit of poly(methyl methacrylate) is shown below.Which one of the following is the monomer used to make poly(methyl methacrylate) ?