GCSE Chemistry – Fractional distillation
Learning Objectives
-I can describe the process of fractional distillation and can recall why we need to distil oil into fractions
-I can state some uses for the fractions of crude oil
-I can recall how boiling point changes with chain length
-I can recall how viscosity changes with chain length
-I can recall how flammability changes with chain length
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Question 1 of 25
1. Question
Why is fractional distillation used?
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Question 2 of 25
2. Question
What is fractional distillation used to separate?
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Question 3 of 25
3. Question
What is fractional distillation used to separate?
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Question 4 of 25
4. Question
What mixture undergoes fractional distillation?
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Question 5 of 25
5. Question
What is the natural state of crude oil?
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Question 6 of 25
6. Question
Before crude oil is fractional distilled, what state should it be?
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Question 7 of 25
7. Question
What is the name of the piece of equipment used during fractional distillation?
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Question 8 of 25
8. Question
What is the definition of a fraction within fractional distillation?
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Question 9 of 25
9. Question
Where is the crude oil placed into the fractional distillation column?
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Question 10 of 25
10. Question
Describe the movement of the vaporised crude oil within fractional distillation.
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Question 11 of 25
11. Question
During fractional distillation, where are the hydrocarbons with the highest boiling points condensed?
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Question 12 of 25
12. Question
During fractional distillation, where are the hydrocarbons with the lowest boiling points condensed?
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Question 13 of 25
13. Question
During fractional distillation, where are the hydrocarbons with the longest carbon chains condensed?
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Question 14 of 25
14. Question
During fractional distillation, where are the hydrocarbons with the shortest carbon chains condensed?
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Question 15 of 25
15. Question
How is liquid crude oil turned to gaseous crude oil?
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Question 16 of 25
16. Question
How is the gaseous crude oil turned back into liquid crude oil?
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Question 17 of 25
17. Question
Which of the following types of products can be obtained from fractional distillation?
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Question 18 of 25
18. Question
Which of the following types of products can be obtained from fractional distillation?
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Question 19 of 25
19. Question
Which of the following types of products can be obtained from fractional distillation?
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Question 20 of 25
20. Question
Which of the following types of products can be obtained from fractional distillation?
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Question 21 of 25
21. Question
Which of the following types of products can be obtained from fractional distillation?
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Question 22 of 25
22. Question
Compare the boiling points of shorted chain hydrocarbons and longer chain hydrocarbons.
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Question 23 of 25
23. Question
Compare the volatility of shorted chain hydrocarbons and longer chain hydrocarbons.
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Question 24 of 25
24. Question
Compare the viscosity of shorted chain hydrocarbons and longer chain hydrocarbons.
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Question 25 of 25
25. Question
Compare the flammability of shorter chain hydrocarbons and longer chain hydrocarbons.
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