GCSE Chemistry – Fractional distillation of hydrocarbons
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
-I can explain why fractions of crude oil have different boiling pointsÂ
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Question 1 of 28
1. Question
What mixture undergoes fractional distillation?
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Question 2 of 28
2. Question
Why is fractional distillation used?
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Question 3 of 28
3. Question
Which of the following is a used from a compound where crude oil has been fractionally distilled?
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Question 4 of 28
4. Question
Which of the following is a used from a compound where crude oil has been fractionally distilled?
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Question 5 of 28
5. Question
Which of the following is a used from a compound where crude oil has been fractionally distilled?
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Question 6 of 28
6. Question
Which of the following is a used from a compound where crude oil has been fractionally distilled?
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Question 7 of 28
7. Question
Which of the following is a used from a compound where crude oil has been fractionally distilled?
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Question 8 of 28
8. Question
What is the definition of a fraction within fractional distillation?
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Question 9 of 28
9. Question
What is fractional distillation used to separate?
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Question 10 of 28
10. Question
What is fractional distillation used to separate?
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Question 11 of 28
11. Question
Before crude oil is fractional distilled, what state should it be?
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Question 12 of 28
12. Question
How is liquid crude oil turned to gaseous crude oil?
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Question 13 of 28
13. Question
Where is the crude oil placed into the fractional distillation column?
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Question 14 of 28
14. Question
Describe the movement of the vaporised crude oil within fractional distillation.
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Question 15 of 28
15. Question
What is the name of the piece of equipment used during fractional distillation?
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Question 16 of 28
16. Question
How is the gaseous crude oil turned back into liquid crude oil?
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Question 17 of 28
17. Question
What is the natural state of crude oil?
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Question 18 of 28
18. Question
During fractional distillation, where are the hydrocarbons with the highest boiling points condensed?
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Question 19 of 28
19. Question
During fractional distillation, where are the hydrocarbons with the lowest boiling points condensed?
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Question 20 of 28
20. Question
During fractional distillation, where are the hydrocarbons with the longest carbon chains condensed?
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Question 21 of 28
21. Question
During fractional distillation, where are the hydrocarbons with the shortest carbon chains condensed?
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Question 22 of 28
22. Question
Compare the boiling points of shorted chain hydrocarbons and longer chain hydrocarbons.
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Question 23 of 28
23. Question
Compare the volatility of shorted chain hydrocarbons and longer chain hydrocarbons.
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Question 24 of 28
24. Question
Compare the viscosity of shorted chain hydrocarbons and longer chain hydrocarbons.
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Question 25 of 28
25. Question
Compare the flammability of shorter chain hydrocarbons and longer chain hydrocarbons.
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Question 26 of 28
26. Question
Do fractions of crude oil have different boiling points?
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Question 27 of 28
27. Question
Describe the boiling points of small hydrocarbons.
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Question 28 of 28
28. Question
Describe the boiling points of large hydrocarbons.
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