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6. A positive test for Magnesium ions (Mg2+) with sodium hydroxide will create...
- A lilac precipitate
- A white precipitate
- A brown precipitate
- A blue precipitate
- A cloudy precipitate
7. A positive test for Calcium ions (Ca2+) with sodium hydroxide will create...
- A brown precipitate
- A white precipitate
- A blue precipitate
- A lilac precipitate
- A green precipitate
8. A positive test for Copper ions (Cu2+) with sodium hydroxide will create...
- A blue precipitate
- A brown precipitate
- A white precipitate
- A cloudy precipitate
- A green precipitate
9. A positive test for Iron II ions (Fe2+) with sodium hydroxide will create...
- A white precipitate
- A green precipitate
- A blue precipitate
- A brown precipitate
- A lilac 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 yellow precipitate forms
- a white precipitate forms
- a cream 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 HNO3, add silver nitrate, yellow precipitate
- acidify with HCl, collect gas, turns limewater cloudy
- acidify add silver nitrate, white precipitate
- acidify with HCl, add barium chloride- white precipitate
- acidify with HNO3, add barium chloride, cream precipitate
15. when copper carbonate is strongly heated...
- it turns white
- it turns green
- it turns black
- it turns blue
- it turns yellow
16. The test and result for carbonate ions is to...
- acidify with HCl, collect gas, turns limewater cloudy
- acidify with HCl, add barium chloride- white precipitate
- acidify with HNO3, add silver nitrate, yellow precipitate
- acidify add silver nitrate, white precipitate
- acidify with HNO3, add barium chloride, cream precipitate
17. The test and result for nitrate ions...
- add sodium hydroxide, blue precipitate
- add sodium hydroxide, cream precipitate
- add sodium hydroxide, white precipitate
- add sodium hydroxide, turns litmus paper blue, smell of ammonia
- add sodium hydroxide, turns litmus paper red, smell of ammonia
18. When bromine water is added to a saturated compound...
- it turns orange
- it turns yellow
- it stays brown
- it turns blue/black
- it goes colourless
19. when zinc carbonate is strongly heated...
- it turns green
- it turns white
- it turns black
- it turns yellow
- it turns blue
20. When bromine water is added to an unsaturated compound....
- it turns yellow
- it turns blue/black
- it goes colourless
- it turns orange
- it stays brown
