Petroleum B Quiz

1 Viscosity is the resistance to

a) Heat

b) Stirring

c) Fluid

d) Flow

2 As the number of carbon atoms per molecule increases

a) Viscosity decreases

b) Viscosity increases

c) Viscosity is independent of carbon atoms

3 In fractionating, bottoms are

a) The gases

b) The residues

c) The heavy distillates

d) Gasoline and fuels

4 Hydrocarbon boiling points

a) Increase as the number of carbons atoms per molecule increases

b) Decrease as the number of carbons atoms per molecule increases

c) Is unrelated to the number of carbons atoms per molecule

d) Increase as the number of carbons atoms per molecule decreases

5 Intermolecular forces are strongest in

a) Petroleum's gaseous fraction

b) The liquid petroleum fraction

c) The greasy-solid fraction

6 Organic chemistry is

a) The study of the chemistry of living things

b) The study of hydrocarbons

c) The study of pesticide free farming

d) The study of Petroleum chemistry

7 Covalent bonds occur when

a) An electron is shared by two atoms

b) An electron is taken from one atom and used by another

c) A two valance electrons bond to two valance electrons from another atom

d) An atom shares all of its valance electrons

8 The root but- means

a) 2

b) 4

c) 6

d) 8

9 Isomers are

a) molecules having the same arrangement but different elements

b) long chain hydrocarbons

c) molecules having identical molecular formulas but different arrangement

d) chemically identical

10 Place the following roots in their correct numerical order

a) but-

b) dec-

c) eth-

d) hept-

e) hex-

f) meth-

g) non-

h) oct-

i) pent-

j) prop-

11 Name the alkane with this formula: CH₃CH₂CH₂CH₂CH₂CH₂CH₃

12 Draw the structural and Lewis-dot formulas for hexane and one of its isomers.