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Q 1/14
Score 0
Select the best description of crude oil.
60
It is a mixture.
It is an element.
It is a compound.
It is an atom.
Q 2/14
Score 0
This diagram shows some of the fractions collected during fractional distillation. Which letter represents kerosene?
60
C
D
B
A
14 questions
Q.
Select the best description of crude oil.
1
60 sec
5.7.1.1
Q.
This diagram shows some of the fractions collected during fractional distillation. Which letter represents kerosene?
2
60 sec
5.7.1.2
Q.
Fuels can be obtained from crude oil. Which substance is made when a fuel burns in plenty of oxygen?
3
60 sec
5.7.1.3
Q.
When a fuel is burned and there is not enough oxygen, a toxic gas can form. Select the name of this toxic gas.
4
60 sec
5.7.1.3
Q.
5
120 sec
5.3.1.1
Q.
Which of the following properties is always different in different crude oil fraction
6
60 sec
5.7.1.1
Q.
7
300 sec
5.3.1.1
Q.
Which statement about hydrocarbons is correct?
8
60 sec
5.7.1.3
Q.
Cracking can be used to produce more useful products from hydrocarbon fractions. Which of the following could be a product when butane is cracked?
9
60 sec
5.7.1.4
Q.
A chemist tests two unknown compounds, one is an alkane and one is an alkene. She mixes both compounds with bromine water. Which statement is true?
10
60 sec
5.7.1.1
Q.
11
60 sec
5.7.1.1
Q.
12
60 sec
5.7.1.1
Q.
A straight chain alkane has 67 carbon atoms. How many hydrogen atoms are in the alkane?
13
60 sec
5.7.1.1
Q.
The fraction that contains the hydrocarbon octane has a boiling point range of 40 to 110 °C. Which would be a reasonable prediction for the boiling point range of a fraction containing propane?
