Question 1

Toxic hydrogen cyanide (HCN) is generated by burning

Accepted Answer

A)  polyacrylonitrile.
B)  rubber.
C)  bullet-proof vests.
D)  polystyrene.E) B) and D)
F) A) and B)

Question 2

Plastics make up ________ percent by mass of solid waste.

Accepted Answer

A)  12
B)  5
C)  25
D)  30E) All of the above
F) A) and B)

Question 3

The substance in paints that hardens to form a continuous surface coating is called a

Accepted Answer

A)  pigment.
B)  binder.
C)  solvent.
D)  thinner.E) C) and D)
F) A) and B)

Question 4

Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the polymers from which the cloth is made.

Accepted Answer

A) True 
 B)False

Question 5

One of the disadvantages of polybutadiene rubber for automobile tires is

Accepted Answer

A)  poor resistance to gasoline and oils.
B)  its color.
C)  density.
D)  expense.E) A) and C)
F) B) and C)

Question 6

Carbon can exist is several forms.Which of the following is a form of carbon and does not contain other atoms besides carbon?

Accepted Answer

A)  fullerenes
B)  celluloid
C)  cellulose
D)  starchE) B) and C)
F) None of the above

Question 7

One of the problems in the production of PVC is that

Accepted Answer

A)  vinyl chloride is explosive.
B)  vinyl chloride is carcinogenic.
C)  vinyl chloride is toxic.
D)  vinyl chloride is a solid at room temperature.E) All of the above
F) A) and C)

Question 8

Polyvinyl acetate is used for

Accepted Answer

A)  carpet.
B)  chewing gum resin.
C)  yarns.
D)  floor tile.E) A) and D)
F) A) and C)

Question 9

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

Accepted Answer

A)  cellulose
B)  polyesters
C)  nucleic acids
D)  proteinsE) A) and B)
F) B) and C)

Question 10

The source of starting materials for synthetic polymers is primarily

Accepted Answer

A)  wood.
B)  petroleum and natural gas.
C)  water.
D)  metals.E) A) and C)
F) A) and B)

Question 11

Amorphous polymers tend to have great strength and rigidity while crystalline polymers tend to have greater elasticity.

Accepted Answer

A) True 
 B)False  False

Question 12

The first synthetic polymer was produced in 1909 and is known as

Accepted Answer

A)  polyethylene.
B)  celluloid.
C)  bakelite.
D)  plexiglass.E) C) and D)
F) A) and D)

Question 13

The pendant group in polypropylene is a(n)

Accepted Answer

A)  benzene ring.
B)  chlorine atom.
C)  ethyl group.
D)  methyl group.E) B) and D)
F) C) and D)

Question 14

Which of the following is a copolymer?

Accepted Answer

A)  celluloid
B)  cellulose
C)  linear low-density polyethylene
D)  carbon nanotubesE) None of the above
F) C) and D)

Question 15

Which of the following statements about ethylene and polyethylene is true?

Accepted Answer

A)  The polymer has the same properties as the monomer.
B)  The polymer has alternating double and single bonds between carbons, while the monomer has only single bonds between carbons.
C)  The polymer has alternating double and single bonds between carbons, while the monomer has only double bonds between carbons.
D)  The polymer has only single bonds between carbons, while the monomer has only double bonds between carbons.E) A) and D)
F) None of the above D

Question 16

Compare thermoplastic and thermosetting polymers.

Accepted Answer

Thermoplastic and thermosetting polymers...

Question 17

Polychlorinated biphenyls (PCBs)are no longer used as plasticizers because they are considered to be an environmental hazard.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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)  teflonE) All of the above
F) A) and B) A

Question 20

Flame-retardant fabrics often have ________ atoms incorporated into the fabric's fibers.

Accepted Answer

A)  Br or O
B)  Cr or Br
C)  Br or Cl
D)  F or BrE) B) and D)
F) C) and D)

Exam 10: Polymers

Toxic hydrogen cyanide (HCN) is generated by burning

Correct AnswerverifiedShow Answer

Plastics make up ________ percent by mass of solid waste.

Correct AnswerverifiedShow Answer

The substance in paints that hardens to form a continuous surface coating is called a

Correct AnswerverifiedShow Answer

Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the polymers from which the cloth is made.

Correct AnswerverifiedShow Answer

One of the disadvantages of polybutadiene rubber for automobile tires is

Correct AnswerverifiedShow Answer

Carbon can exist is several forms.Which of the following is a form of carbon and does not contain other atoms besides carbon?

Correct AnswerverifiedShow Answer

One of the problems in the production of PVC is that

Correct AnswerverifiedShow Answer

Polyvinyl acetate is used for

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The source of starting materials for synthetic polymers is primarily

Correct AnswerverifiedShow Answer

Amorphous polymers tend to have great strength and rigidity while crystalline polymers tend to have greater elasticity.

Correct AnswerverifiedFalse

The first synthetic polymer was produced in 1909 and is known as

Correct AnswerverifiedShow Answer

The pendant group in polypropylene is a(n)

Correct AnswerverifiedShow Answer

Which of the following is a copolymer?

Correct AnswerverifiedShow Answer

Which of the following statements about ethylene and polyethylene is true?

Correct AnswerverifiedD

Compare thermoplastic and thermosetting polymers.

Correct AnswerAnswered by ExamLex AIThermoplastic and thermosetting polymers...View AnswerShow Answer

Polychlorinated biphenyls (PCBs)are no longer used as plasticizers because they are considered to be an environmental hazard.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

Flame-retardant fabrics often have ________ atoms incorporated into the fabric's fibers.

Correct AnswerverifiedShow Answer

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False

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D

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Answered by ExamLex AI
Thermoplastic and thermosetting polymers...
View Answer

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A

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