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6. A positive test for Magnesium ions (Mg2+) with sodium hydroxide will create...

  • A blue precipitate
  • A lilac precipitate
  • A brown precipitate
  • A white precipitate
  • A cloudy precipitate

7. A positive test for Calcium ions (Ca2+) with sodium hydroxide will create...

  • A brown precipitate
  • A green precipitate
  • A white precipitate
  • A lilac precipitate
  • A blue precipitate

8. A positive test for Copper ions (Cu2+) with sodium hydroxide will create...

  • A brown precipitate
  • A green precipitate
  • A blue precipitate
  • A white precipitate
  • A cloudy precipitate

9. A positive test for Iron II ions (Fe2+) with sodium hydroxide will create...

  • A white precipitate
  • A blue precipitate
  • A green precipitate
  • A lilac precipitate
  • A brown precipitate

10. A positive test for Iron III ions (Fe3+) with sodium hydroxide will create...

  • A cloudy precipitate
  • A lilac precipitate
  • A white precipitate
  • A brown precipitate
  • A blue precipitate

11. When you add silver nitrate to chlorine...

  • a white precipitate forms
  • a cream precipitate forms
  • a yellow precipitate forms

12. When you add silver nitrate to bromine...

  • a yellow precipitate forms
  • a cream precipitate forms
  • a white precipitate forms

13. When you add silver nitrate to iodine...

  • a cream precipitate forms
  • a yellow precipitate forms
  • a white precipitate forms

14. The test and result for sulfate ions is to...

  • acidify with HCl, add barium chloride- white precipitate
  • acidify with HNO3, add barium chloride, cream precipitate
  • acidify with HCl, collect gas, turns limewater cloudy
  • acidify add silver nitrate, white precipitate
  • acidify with HNO3, add silver nitrate, yellow precipitate

15. when copper carbonate is strongly heated...

  • it turns blue
  • it turns green
  • it turns white
  • it turns black
  • it turns yellow

16. The test and result for carbonate ions is to...

  • acidify with HNO3, add barium chloride, cream precipitate
  • acidify with HCl, collect gas, turns limewater cloudy
  • acidify with HNO3, add silver nitrate, yellow precipitate
  • acidify add silver nitrate, white precipitate
  • acidify with HCl, add barium chloride- white precipitate

17. The test and result for nitrate ions...

  • add sodium hydroxide, blue precipitate
  • add sodium hydroxide, turns litmus paper blue, smell of ammonia
  • add sodium hydroxide, white precipitate
  • add sodium hydroxide, turns litmus paper red, smell of ammonia
  • add sodium hydroxide, cream precipitate

18. When bromine water is added to a saturated compound...

  • it stays brown
  • it turns yellow
  • it turns orange
  • it goes colourless
  • it turns blue/black

19. when zinc carbonate is strongly heated...

  • it turns yellow
  • it turns white
  • it turns green
  • it turns black
  • it turns blue

20. When bromine water is added to an unsaturated compound....

  • it turns orange
  • it turns blue/black
  • it goes colourless
  • it stays brown
  • it turns yellow