Section 18.3
Plastics and Other Polymers
Practice Test
1.
A large molecule made up of many smaller, repeating units is called a _____________.
a.
ketone
b.
monomer
c.
polymer
d.
wax
Hint
2.
What is the monomer in the natural polymer known as cellulose?
a.
glucose
b.
ribose
c.
sucrose
d.
methanol
Hint
3.
Ethylene monomers form polyethylene in a process known as ___________________.
a.
addition polymerization
b.
condensation
c.
condensation polymerization
d.
ionic bonding
Hint
4.
______________ gives additional strength to a polymer.
a.
Boiling
b.
Cross-linking
c.
Ionic bonding
d.
Single bonding
Hint
5.
____________ plastics harden permanently when molded.
a.
Monomer
b.
Polymer
c.
Thermoplastic
d.
Thermosetting
Hint
6.
These two types of plastics are easiest to collect and sort for recycling.
a.
PET and HDPE
b.
PVC and PSEPS
c.
LDPE and PET
d.
PP and PVC
Hint
7.
What is the product of the addition polymerization of ethene?
a.
PVC
b.
polyethylene
c.
nylon
d.
Kevlar
Hint
