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Testing for Cations (GCSE)

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alisha's version from 2015-05-05 17:37

Section 1

Question Answer
What do you add to cations?Sodium hydroxide ( NaOH )
Result of Copper IIBlue precipitate
Result of Iron IIGreen precipitate
Result of Iron IIIBrown precipitate
Result of CalciumWhite precipitate
Result of MagnesiumWhite precipitate
Result of AluminiumWhite precipitate
What dissolves in excessAluminium
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Section 2

Question Answer
Flame for LithiumCrimsen
Flame for potassiumLilac
Flame for calciumOrange
Flame for copperBlue/green
Flame for sodiumYellow/orange
Flame for bariumGreen
Flame for strontiumRed
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