Question 1

Which synthetic polymer is used to make shatter-resistant bottles and fleece fabric?

Accepted Answer

A) PET 
B) HDPE 
C) PVC 
D) PS

Question 2

Which atoms are present in all proteins?

Accepted Answer

A) C,H,O,N 
B) C,H,O,S 
C) C,H,O only 
D) C,H,N only

Question 3

Adipic acid,one of the monomers used to make nylon,has a total of six carbon atoms with two carboxylic acid functional groups.Which structure is correct?

Accepted Answer

A) (CH2)6 COOH 
B) HO (CH2)6 OH 
C) HOOC (CH2)4 COOH 
D) HOOC (CH2)6 NH2

Question 4

Which of these statements are correct for both addition and condensation polymerization?
I.Monomer units chemically bond together.
II.Product contains all the atoms of the starting material.
III.A second product,like water,is also formed during the polymerization process.

Accepted Answer

A) I only 
B) I and II 
C) II only 
D) II and III

Question 5

A polymer is a large molecule

Accepted Answer

A) made up of long chains of atoms held together by hydrogen bonds. 
B) made up of long chains of atoms covalently bonded together. 
C) made up of a large lattice structure held together by ionic bonds. 
D) always made up of identical monomer units.

Question 6

Some of the uses for polypropylene are yogurt containers,carpeting,luggage,and bottle caps.Which is not a property of polypropylene?

Accepted Answer

A) high melting point 
B) very tough 
C) transparent 
D) resistant to oils

Question 7

Every year about 100 billion pounds of plastic are produced in the United States (over 350 pounds for every woman,man,and child).What strategies may be employed to reduce the amount of plastics going into landfills?

Accepted Answer

A) incineration 
B) biodegradation 
C) recycling 
D) All of these choices are correct.

Question 8

Which statement is false?

Accepted Answer

A) Microfiber is a polymer made into very fine threads. 
B) Microfiber is used in clothing as a water repellent. 
C) Microfiber is a good insulator. 
D) Microfiber is a new type of polymer.

Question 9

Will synthetic polymers always have to be made from crude oil?

Accepted Answer

A) Yes,because although other technologies exist,they are too costly for large scale use. 
B) No,but there are no funds to research new technologies needed. 
C) Yes,but more crude oil will have to be diverted from other uses. 
D) No,new technologies are being developed to use bio-based raw materials.

Question 10

Which equation correctly shows the first step in the formation of polyethylene terephthalate (PET)by the process of condensation polymerization?

Accepted Answer

A)   
B)   
C)   
D)

Question 11

Skin,hair,muscle,and enzymes are all made of protein,which is a natural polymer.Proteins are

Accepted Answer

A) polyesters. 
B) polyethylenes. 
C) polyamides. 
D) polyalcohols.

Question 12

The general formula for coal is C135H96NOS,the molecular formula for methane is CH4 and the molecular formula for dodecane is C12H26.Which will the heat of combustion of polyethylene be more similar to?

Accepted Answer

A) coal 
B) methane 
C) dodecane 
D) hydrogen gas

Question 13

Polyvinyl chloride (PVC)is used in

Accepted Answer

A) water bottles. 
B) CD cases. 
C) milk cartons. 
D) plumbing pipe.

Question 14

Blowing agents are gases,or a compound that releases a gas,that are added to polymers in the manufacture of a foamed plastic.Which statement is not true?

Accepted Answer

A) At one time,CFC's were used as blowing agents. 
B) Gaseous pentane is now often used. 
C) The DOW 100% CO2 technology uses carbon monoxide. 
D) The use of pentane is hazardous because it is highly flammable.

Question 15

Which of these synthetic polymers is most closely related to the natural protein polymers?

Accepted Answer

A) polyester 
B) nylon 
C) polystyrene 
D) polyvinyl chloride

Question 16

Polystyrene is used to make Styrofoam cups.For this usage,which property is most important?

Accepted Answer

A) good insulator 
B) light weight 
C) white and opaque 
D) brittle

Question 17

Proteins are polymers of amino acids held together by ______ bonds.

Accepted Answer

A) protein 
B) peptide 
C) ester 
D) acid

Question 18

Incineration of plastics can be used to generate energy.One of the "Big Six" plastics releases hydrochloric acid,HCl,when incinerated.Which one?

Accepted Answer

A) LDPE 
B) PVC 
C) PET 
D) PS

Question 19

Which of these polymers is made by the process of condensation polymerization?

Accepted Answer

A) polyethylene 
B) polystyrene 
C) polyvinyl chloride 
D) polyethylene terephthalate

Question 20

Which of these statements are correct for addition polymerization only?
I.Monomer units chemically bond together.
II.Product contains all the atoms of the starting material.
III.There is generally just one monomer.

Accepted Answer

A) I only 
B) I and II 
C) II only 
D) I and III

Exam 9: The World of Polymers and Plastics