Core practical 15 – Analyse organic and inorganic unknowns
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Question 1 of 35
1. Question
What happens to the limewater when testing for a carbonate ion?
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Question 2 of 35
2. Question
What is one hazard when using barium chloride during this experiment?
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Question 3 of 35
3. Question
What forms when testing for an aldehyde?
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Question 4 of 35
4. Question
What is one hazard when using bromine water during this experiment?
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Question 5 of 35
5. Question
What is added to test for a carboxylic acid?
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Question 6 of 35
6. Question
What colour flame is shown for a sodium ion?
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Question 7 of 35
7. Question
What colour precipitate forms when testing for copper(II)?
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Question 8 of 35
8. Question
What colour flame is shown for a potassium ion?
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Question 9 of 35
9. Question
What colour precipitate forms when testing for group 2 cations?
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Question 10 of 35
10. Question
What colour flame is shown for a calcium ion?
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Question 11 of 35
11. Question
What colour precipitate forms when testing for group 1 cations?
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Question 12 of 35
12. Question
What colour flame is shown for a barium ion?
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Question 13 of 35
13. Question
What colour precipitate forms when testing for a chloride ion?
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Question 14 of 35
14. Question
What colour flame is shown for a lithium ion?
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Question 15 of 35
15. Question
What colour precipitate forms when testing for cobalt(II)?
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Question 16 of 35
16. Question
What colour flame is shown for a strontium ion?
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Question 17 of 35
17. Question
What type of hydrochloric acid should be used?
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Question 18 of 35
18. Question
What colour flame is shown for a rubidium ion?
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Question 19 of 35
19. Question
What is added to test for a carboxylic acid?
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Question 20 of 35
20. Question
What type of sulfuric acid should be used?
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Question 21 of 35
21. Question
What colour precipitate forms when testing for chromium(III)?
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Question 22 of 35
22. Question
What is added to test for a halide ion?
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Question 23 of 35
23. Question
What is one hazard when using ethanol during this experiment?
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Question 24 of 35
24. Question
What colour precipitate forms when testing for iron(II)?
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Question 25 of 35
25. Question
What colour precipitate forms when testing for a bromide ion?
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Question 26 of 35
26. Question
What is one hazard when using nitric acid during this experiment?
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Question 27 of 35
27. Question
What colour precipitate forms when testing for iron(III)?
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Question 28 of 35
28. Question
What colour precipitate forms when testing for a iodide ion?
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Question 29 of 35
29. Question
What is one hazard when using hydrochloric acid during this experiment?
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Question 30 of 35
30. Question
What colour precipitate forms when testing for a sulfate ion?
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Question 31 of 35
31. Question
What is one hazard when limewater during this experiment?
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Question 32 of 35
32. Question
What colour will bromine water turn when testing for an alkene?
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Question 33 of 35
33. Question
What is one hazard when using barium chloride during this experiment?
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Question 34 of 35
34. Question
What gas is produced when testing for a carbonate ion?
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Question 35 of 35
35. Question
What is one hazard when using bromine water during this experiment?
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