When sodium is held over a flame, what colour does the flame turn? Potassium? Calcium? Copper? Lithium?
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Card 13
Front
When mixed with a sodium hydroxide solution, what colour precipitate does copper (II) form? Iron (II)? Iron (III)?
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Card 14
Front
When mixed with a sodium hydroxide solution, what colour precipitate does magnesium form? What about when more sodium hydroxide is added? Calcium? Aluminium?
