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25 Cards in this Set
- Front
- Back
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Two tests to identify positive ionz |
Use of sodium hydroxide Flame test |
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Three ions sodium hydroxide test identifies |
Copper, iron (ii) and iron (iii), magnesium, calcium and aluminium |
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Copper formula |
Cu 2+ |
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Copper reagent |
Sodium Hydroxide (NaOH) |
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Copper observation |
BLUE precipitate of COPPER HYDROXIDE |
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Copper Hydroxide formula |
(Cu(OH)2) |
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Iron (ii) formula |
Fe2+ |
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Iron ii reagent |
Sodium Hydroxide |
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Iron (II) observation |
PALE GREEN precipitate of iron (ii) hydroxide |
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Iron (ii) hydroxide |
(Fe(OH)2) |
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Iron (III) formula |
Fe 3+ |
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Iron (iii) |
Sodium Hydroxide |
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Iron (III) observation |
BROWN / ORANGE precipitate of Iron (III) Hydroxide |
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Iron (III) Hydroxide formula |
(Fe(OH)3) |
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Four ions identified by flame test |
Copper (Cu2+) Lithium (Li+) Potassium (K+) Calcium (Ca2+) |
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Copper observation |
Green flame |
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Lithium observation |
Red flame |
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Potassium observation |
Lilac / pink flame |
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Calcium observation |
Red / orange flame |
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Flame test observation |
Grlry(grillery) + CC pls
G reen R ed L ilac / pink R ed / orange Yellow/ orange |
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Sodium |
Yellow Orange Flame |
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Positive Ion |
Cation |
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Magnesium |
Sodium Hydroxide Test White precipitate Mg2+ |
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Calcium |
Sodium Hydroxide Test White Precipitate Ca2+ |
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Aluminium |
Sodium Hydroxide White Precipitate (dissolves) Al3+ |
