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Hydrocarbons & Energy

Total questions: 31

Worksheet time: 34mins

Name
Class
Date
1.

What name is given to reactions, like combustion reactions, which release energy?

a)

Endothermic

b)

Exothermic

2.

Hydrocarbons, the simplest family of carbon compounds, are made from these two elements:

a)

Hydrogen and Copper

b)

Helium and Carbon

c)

Hydrogen and Carbon

3.
What is the general formula for saturated hydrocarbons?
a)
CnH2n
b)
CnHn+1
c)
CnH2n+1
d)
CnH2n+2
4.

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

a)

isomers

b)

isotopes

c)

polymers

d)

alkanes

5.

Which of the following would have the highest boiling point?

a)

C3H8

b)

C4H8

c)

C5H12

d)

C22H44

6.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
7.

What is the general formula of the alkenes?

a)

CnH2n+1

b)

CnH2n+2

c)

CnH2n

d)

CnH2n+1OH

8.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
9.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
10.
What are fossil fuels?
a)
complex hydrocarbon compounds
b)
mixtures of gaseous hydrocarbons located under the surface of the Earth
c)
a nonrenewable energy resource formed the remains of organisms that lived long ago
11.
4. Fossil fuels came from the fossilized remains of plants and animals from long ago.
a)
True
b)
False
12.
What fossil fuel is in the image?
a)
Natural Gas
b)
Steam
c)
Coal
d)
Petroleum
13.
What fossil fuel is in the image?
a)
Coal
b)
Natural Gas
c)
Petroleum
14.
Fossil fuels are classified as nonrenewable because they.......
a)
require expensive equipment
b)
take millions of years to replace
c)
can be found all over 
d)
provide all the energy we use
15.
This is the cleanest burning of the fossil fuels:
a)
Natural Gas
b)
Coal
c)
Petroleum
d)
Shale
16.

What physical property allows Fractional Distillation to separate different fractions of crude oil?

a)

Melting point

b)

Boiling point

c)

Diffusion rate

d)

Condensation rate

17.

Which of these substances is not a hydrocarbon?

a)

methane

b)

ethane

c)

propane

d)

butane

e)

ammonia

18.

What is fractional distillation?

a)

a process used to separate crude oil

b)

a process used to burn up fuels

c)

a way to make different products

d)

how oil is extracted from the ground

19.

What process happens at each level in the fractionating column?

a)

Evaporation

b)

Condensation

c)

Combustion

20.

Where do short chain hydrocarbons collect?

a)

At the top

b)

In the middle

c)

At the bottom

21.

Where do long chain hydrocarbons collect?

a)

At the top

b)

In the middle

c)

At the bottom

22.

What percentage of the global energy consumption comes from fossil fuels?

a)

25%

b)

50%

c)

84%

d)

95%

23.

Which of the following is NOT true of coal usage?

a)

Coal usage consists of burning coal in order to produce steam in order to move a turbine & generate electricity.

b)

Coal usage is a completely renewable energy source.

c)

Coal usage results in 2/3 of the energy "lost" as heat = not efficient.

24.

What do you call the process of drilling and injecting fluid into a ground at a high pressure in order to break or fracture the shale rocks to release natural gas inside?

a)

Drilling

b)

Fracking

c)

Perforation

d)

Sedimentation

25.
Fracking deals with 
a)
Rain Water and Oil Extraction
b)
Oil Extraction and Drilling
c)
Rock and Rain Water
d)
Natural Gas and Oil Extraction
26.

Which of the following is considered the "cleanest" of fossil fuels?

a)

coal

b)

natural gas

c)

crude oil

d)

gasoline

27.

What is the effect of a higher octane number on gasoline engine performance?

a)

Increased fuel efficiency

b)

Reduced knock resistance

c)

Increased knock resistance

d)

Reduced fuel efficiency

28.

Which of the following energy sources is incorrectly matched?

a)

oil-nonrenewable

b)

solar- renewable

c)

wind- renewable

d)

geothermal- nonrenewable

29.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
30.

Match the following

a)

Methane

1.

CH4

b)

Propane

2.

C3H8

c)

Ethane

3.

C2H6

d)

Heptane

4.

C7H16

e)

Hexane

5.

C6H14

31.

An organic molecule that contains only single bonds is called

a)

Satisfied

b)

Saturated

c)

Unsaturated

d)

Homologous

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