Test for positive ions 0.0 / 5 ? ChemistryTesting and analysing substancesIGCSEAQA Created by: chanhsCreated on: 26-04-17 17:08 Flame colour :Crimson Li+ 1 of 11 Flame colour: Lilac K+ 2 of 11 Flame colour: brick red Ca2+ 3 of 11 Flame colour: yellow Na+ 4 of 11 Flame colour : apple green Ba2+ 5 of 11 When Sodium hydroxide is added to solution of positive ions, what forms? A precipitate of the metal hydroxide forms 6 of 11 When excessive NaOH is added, the precipitates dissolves Al3+ 7 of 11 No colour in flame test Mg2+ 8 of 11 When added OH-, is is Blue in colour Cu2+ 9 of 11 When added OH-, it is green in colour Fe2+ 10 of 11 When added OH-, it is brown in colour Fe3+ 11 of 11
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