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WorksheetsOil, Fractional Distillation and Hydrocarbons
Total questions: 34
Worksheet time: 32mins
Name
Class
Date
1.
A separation technique which uses a fractionating column to separate different liquid components in a mixture with different boiling points by heating mixture is called
a)
Fractional distillation
b)
filtration
c)
crystallization
d)
evaporation
2.
Which letter in the diagram of Industrial Crude Oil Fractions identifies 'Petroleum Gas'?
a)
A
b)
B
c)
C
d)
D
3.
Which letter in the diagram of Industrial Crude Oil Fractions identifies 'Diesel'?
a)
B
b)
D
c)
G
d)
H
4.
Which letter in the diagram of Industrial Crude Oil Fractions identifies 'Bitumen'?
a)
B
b)
D
c)
G
d)
H
5.
How does the temperature change from top to bottom?
a)
Increases
b)
Decreases
c)
It does not change
d)
Cannot be determined
6.
What does the viscosity of a hydrocarbon tell you?
a)
How easily it flows
b)
How easily it sets alight
c)
What its boiling point is
d)
How long the hydrocarbon is
7.
The longer the hydrocarbon, the ________ the flammability?
a)
Lower
b)
Higher
8.
The longer the hydrocarbon, the _________ the viscosity?
a)
Lower
b)
Higher
9.
What is kerosene used for?
a)
Fuel for ships
b)
Fuel for lorries
c)
Fuel for airplanes
d)
Making roads
10.
What is the correct order for the fractions that come out of crude oil?
a)
fuel gases, petrol, kerosene, diesel, fuel oil, residue
b)
fuel gases, petrol, diesel, kerosene, fuel oil, residue
c)
fuel gases, kerosene, petrol, diesel, fuel oil, residue
d)
fuel gases, diesel, kerosene, petrol, fuel oil, residue
11.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
12.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
13.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
14.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
15.
Alkanes are known as saturated hydrocarbons because they contain only carbon-hydrogen single bonds.
a)
True
b)
False
16.
The first member of the alkene series is methene.
a)
True
b)
False
17.
Both alkanes and alkenes react rapidly with aqueous bromine at room temperature.
a)
True
b)
False
18.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
19.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
20.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
21.
Which formula represents a saturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
22.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
23.
What chemical is this? (C5H10)
a)
Pentene
b)
Pentane
c)
Hexane
d)
Heptene
24.
Give the name of this compound...
C3H8
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
25.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
26.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
27.
General formula of Alkane is
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
28.
General formula of Alkene is
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
29.
Cracking.....
a)
Breaks larger hydrocarbons into smaller hydrocarbons
b)
Separates hydrocarbons based on their length
c)
Detects alkenes
30.
What liquid detects the presence of an alkene?
a)
Alkene water
b)
Bromine water
c)
Water
d)
Limewater
31.
Complete the equation C16H34 ---> __________ + C2H4
a)
C16H34
b)
C2H30
c)
C10H20
d)
C14H30
32.
C10H22 --> C5H12 + C3H6 + ?
a)
C2H4
b)
C3H4
c)
CO2
d)
CH4
33.
When testing for alkenes (unsaturation) bromine water turns from...
a)
orange --> blue/black
b)
colourless --> pink
c)
orange --> colourless
d)
orange --> clear
34.
Cracking large hydrocarbons releases...
a)
alkanes and alkenes
b)
alkanes only
c)
alkenes only
d)
polymers only
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