Experimental tehniques
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Question 1 of 20
1. Question
Why are anti-bumping granules added to an organic mixture before it is distilled?
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Question 2 of 20
2. Question
Within distillation, why is a rubber neck attached to the round-bottomed flask?
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Question 3 of 20
3. Question
When refluxing a reaction mixture, how should the top of the condenser be left?
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Question 4 of 20
4. Question
Which of the following is a method that can be used to purify a liquid using multiple distillations?
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Question 5 of 20
5. Question
What type of equipment should a substance be kept in when it is being refluxed?
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Question 6 of 20
6. Question
What is the definition of redistillation?
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Question 7 of 20
7. Question
What is a separating funnel?
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Question 8 of 20
8. Question
Which type of substances can be used as drying agents to dry out other chemicals?
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Question 9 of 20
9. Question
Which of the following is a method that can be used to separate immiscible liquids?
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Question 10 of 20
10. Question
What is a heating mantle?
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Question 11 of 20
11. Question
Which of the following is a method that can be used to separate liquids and solutions?
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Question 12 of 20
12. Question
What can be used to grease joints within a quickfit apparatus and fix them together?
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Question 13 of 20
13. Question
On a condenser, where does the water go in and out?
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Question 14 of 20
14. Question
Why is using a heating mantle over a bunsen burner preferred?
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Question 15 of 20
15. Question
Which of the following is a method that can be used to boil away mixtures?
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Question 16 of 20
16. Question
Which of the following is a method that can be used to dry chemicals?
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Question 17 of 20
17. Question
What is the definition of a quickfit apparatus?
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Question 18 of 20
18. Question
What is the definition of distillation?
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Question 19 of 20
19. Question
What is a round-bottomed flask used for within distillation?
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Question 20 of 20
20. Question
Within distillation, where should the condenser be attached to?
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