Testing for ions
- Created by: imessedup
- Created on: 29-01-17 20:33
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- Test for metal Ions
- Flame test: holding the compound over the fire, and observe the colour of the flame.
- Green
- Barium
- Yellow
- Sodium
- Red
- Calcium
- Crimson
- Lithium
- Lilac
- Potassium
- Green
- Precipitation: add sodium hydroxide to the solution until a precipitate forms
- Transition metals
- React with sodium hydroxide
- Brown
- Iron (III)
- Blue
- Copper (II)
- Green
- Iron (II)
- Brown
- React with sodium hydroxide
- Ca, Mg and Al
- White precipitate is formed when reacted with sodium hydroxide
- After excess sodium hydroxide is added
- No change
- Magnesium
- Calcium
- No change
- After excess sodium hydroxide is added
- White precipitate is formed when reacted with sodium hydroxide
- Transition metals
- Flame test: holding the compound over the fire, and observe the colour of the flame.
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