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6. What colour is the flame from Barium?
- Pale green
- Lilac
- Yellow-red
- Green-blue
7. What colour is Al3+ and Ca2+'s precipitate?
8. What colour is Potassium's flame?
- Orange
- Lilac
- Red
- Pale green
9. What colour is the flame from Copper?
- Green-blue
- Pale green
- Lilac
- Red
10. What colour is Cl-'s precipitate?
- Orange
- Cream
- White
- Yellow
11. What colour is Fe3+'s precipitate?
12. What does Qualitative Analysis tell you?
- How much the substance costs
- What type of substance is present
- What colour the substance is
- How much of a substance is present
13. What does Quantitative Analysis tell you?
- How much the substance costs
- How much of a substance is present
- What colour the substance is
- What type of substance is present
14. What colour is Cu2+'s precipitate?
15. What colour is Fe2+'s precipitate?
16. How do you do a flame test?
- Set a small amount of the sample substance on fire and observe flame colour
- Clean a nichrome wire in dilute HCl, dip it into the sample solution/powder, hold it at edge of Bunsen flame, observe flame colour
- Roll Nichrome wire in sample substance, hold near Bunsen flame, observe colour change
- Dip Nichrome wire into sample substance, hold in middle of Bunsen flame, observe flame color