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S&S Chemistry 8

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

A molecule of high relative molecular mass, with multiple repetitions of subunits.

a)

monomer

b)

dimer

c)

macromolecule

d)

copolymer

2.

Randomly ordered; base units that are not all identical are

a)

atactic

b)

isotactic

c)

syndiotactic

d)

viscosity

3.

Viscosity is

a)

cross-linking with heat and sulfur to toughen a polymer.

b)

the resistance to flow as applied to a solution or a molten solid.

c)

a constitutional unit connecting two parts of a macromolecule that were earlier separate molecules.

d)

functional group at the end of a chain in polymers.

4.

A polymer derived from more than one species of monomer.

a)

copolymer

b)

monomer

c)

isotactic

d)

homopolymer

5.

When all the substituents are on the same side of the carbon chain.

a)

atactic

b)

isotactic

c)

syndiotactic

d)

viscosity

6.

The smallest repeating unit of a polymer

a)

monomer

b)

dimer

c)

macromolecule

d)

copolymer

7.

When the substituents regularly alternate on both sides of the carbon chain.

a)

atactic

b)

isotactic

c)

syndiotactic

d)

viscosity

8.

A macromolecule consisting of only one type of building unit.

a)

copolymer

b)

monomer

c)

isotactic

d)

homopolymer

9.

An end group is a functional group at the end of a chain in polymers.

a)

true

b)

false

10.

A polymer which may be softened by heat and hardened by cooling in a reversible physical process.

a)

homopolymer

b)

copolymer

c)

thermoplastic

d)

thermoset

11.

The process of converting a monomer or a mixture of monomers into a polymer.

a)

polymerization

b)

vulcanization

c)

copolymer

d)

homopolymer

12.

A type of polymer that exhibits rubber-like qualities.

a)

atactic

b)

isotactic

c)

syndiotactic

d)

elastomer

13.

A polymer that is irreversibly hardened by curing from a soft solid or viscous liquid resin

a)

homopolymer

b)

copolymer

c)

thermoplastic

d)

thermoset

14.

A constitutional unit connecting two parts of a macromolecule that were earlier separate molecules.

a)

vulcanization

b)

cross linking

c)

isotactic

d)

syndiotactic

15.

Vulcanization is a process to soften a polymer

a)

true

b)

false