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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?

  • Brown
  • White
  • Green
  • Blue

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?

  • White
  • Brown
  • Blue
  • Green

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?

  • Blue
  • White
  • Green
  • Brown

15. What colour is Fe2+'s precipitate?

  • Brown
  • White
  • Green
  • Blue

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