Question 1

Wool and silk are examples of which type of naturally occurring polymer?

Accepted Answer

A)  cellulose 
B)  polyesters 
C)  nucleic acids 
D)  proteins 
A)  cellulose 
B)  polyesters 
C)  nucleic acids 
D)  proteins

Question 2

Chewing gum is easier to remove from clothing if ice is applied to the gum. This works because applying ice lowers the temperature of the gum to below its glass transition temperature (Tg), so the gum becomes brittle and can be removed more easily.

Accepted Answer

A) True 
 B)False

Question 3

The word monomer means

Accepted Answer

A)  one bond. 
B)  one unit. 
C)  many bonds. 
D)  many rings. 
A)  one bond. 
B)  one unit. 
C)  many bonds. 
D)  many rings.

Question 4

This formula in which n can be a very large number represents which of the following polymers?

Accepted Answer

A)  polyethylene 
B)  polyvinyl chloride 
C)  polypropylene 
D)  teflon 
A)  polyethylene 
B)  polyvinyl chloride 
C)  polypropylene 
D)  teflon

Question 5

Polystyrene is not used for

Accepted Answer

A)  condiment bottles. 
B)  disposable coffee cups. 
C)  material for packing. 
D)  home insulation. 
A)  condiment bottles. 
B)  disposable coffee cups. 
C)  material for packing. 
D)  home insulation.

Question 6

The monomer from which polyethylene is made has ________ attached to the C=C.

Accepted Answer

A)  only H atoms 
B)  a Cl atom 
C)  a benzene ring 
D)  a methyl group 
A)  only H atoms 
B)  a Cl atom 
C)  a benzene ring 
D)  a methyl group

Question 7

Plasticizers, such as biphenyls, are very soluble in water.

Accepted Answer

A) True 
 B)False

Question 8

Crystalline polymers are composed of

Accepted Answer

A)  randomly organized polymer chains. 
B)  highly organized polymer chains. 
C)  a mixture of random and highly organized polymer chains. 
D)  one monomer. 
A)  randomly organized polymer chains. 
B)  highly organized polymer chains. 
C)  a mixture of random and highly organized polymer chains. 
D)  one monomer.

Question 9

What is a macromolecule?

Accepted Answer

a relatively huge mo

Question 10

The wings of some airplanes are made from composite materials.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following natural polymers is a polyamide?

Accepted Answer

A)  nylon 
B)  plant fibers 
C)  wool 
D)  amylopectin 
A)  nylon 
B)  plant fibers 
C)  wool 
D)  amylopectin

Question 12

A silicone polymer has a series of alternating silicon and oxygen atoms in the polymer chain.

Accepted Answer

A) True 
 B)False

Question 13

Draw part of the repeating structure of polymethyl methacrylate.

Accepted Answer

Polymethyl methacrylate (PMMA), also kno

Question 14

Which of the following statements about addition and condensation polymers is true?

Accepted Answer

A)  Both addition polymers and condensation polymers contain all of the atoms of the monomers. 
B)  Both addition polymers and condensation polymers lose some atoms from the original monomers when the polymer is formed. 
C)  Addition polymers contain all of the atoms of the original monomers, but condensation polymers do not. 
D)  Condensation polymers contain all of the atoms of the original monomers, but addition polymers do not. 
A)  Both addition polymers and condensation polymers contain all of the atoms of the monomers. 
B)  Both addition polymers and condensation polymers lose some atoms from the original monomers when the polymer is formed. 
C)  Addition polymers contain all of the atoms of the original monomers, but condensation polymers do not. 
D)  Condensation polymers contain all of the atoms of the original monomers, but addition polymers do not.

Question 15

What is the connection between polyethylene and the "Battle of Britain" in the second World War?

Accepted Answer

PE as insu

Question 16

Which of the following is a copolymer?

Accepted Answer

A)  celluloid 
B)  cellulose 
C)  linear low-density polyethylene 
D)  carbon nanotubes 
A)  celluloid 
B)  cellulose 
C)  linear low-density polyethylene 
D)  carbon nanotubes

Question 17

Natural polymers which carry the coded genetic information that makes each individual unique are

Accepted Answer

A)  proteins. 
B)  carboxylic acids. 
C)  esters. 
D)  nucleic acids. 
A)  proteins. 
B)  carboxylic acids. 
C)  esters. 
D)  nucleic acids.

Question 18

Neoprene is an elastomer that shows better resistance to oil and gasoline than other elastomers.

Accepted Answer

A) True 
 B)False

Question 19

Vulcanization makes rubber

Accepted Answer

A)  hard. 
B)  sticky. 
C)  soft. 
D)  less elastic. 
A)  hard. 
B)  sticky. 
C)  soft. 
D)  less elastic.

Question 20

High-density polyethylene is composed of

Accepted Answer

A)  primarily linear, unbranched chains of polyethylene in a close packing arrangement. 
B)  primarily highly branched, non-linear chains of polyethylene in a diffuse packing arrangement. 
C)  a mixture of polyethylene and polystyrene. 
D)  polyethylene with high density plasticizers added to increase density. 
A)  primarily linear, unbranched chains of polyethylene in a close packing arrangement. 
B)  primarily highly branched, non-linear chains of polyethylene in a diffuse packing arrangement. 
C)  a mixture of polyethylene and polystyrene. 
D)  polyethylene with high density plasticizers added to increase density.

Exam 10: Polymers

Wool and silk are examples of which type of naturally occurring polymer?

Chewing gum is easier to remove from clothing if ice is applied to the gum. This works because applying ice lowers the temperature of the gum to below its glass transition temperature (Tg), so the gum becomes brittle and can be removed more easily.

The word monomer means

This formula in which n can be a very large number represents which of the following polymers?

Polystyrene is not used for

The monomer from which polyethylene is made has ________ attached to the C=C.

Plasticizers, such as biphenyls, are very soluble in water.

Crystalline polymers are composed of

What is a macromolecule?

The wings of some airplanes are made from composite materials.

Which of the following natural polymers is a polyamide?

A silicone polymer has a series of alternating silicon and oxygen atoms in the polymer chain.

Draw part of the repeating structure of polymethyl methacrylate.

Which of the following statements about addition and condensation polymers is true?

What is the connection between polyethylene and the "Battle of Britain" in the second World War?

Which of the following is a copolymer?

Natural polymers which carry the coded genetic information that makes each individual unique are

Neoprene is an elastomer that shows better resistance to oil and gasoline than other elastomers.

Vulcanization makes rubber

High-density polyethylene is composed of

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Chewing gum is easier to remove from clothing if ice is applied to the gum. This works because applying ice lowers the temperature of the gum to below its glass transition temperature (T_g), so the gum becomes brittle and can be removed more easily.