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How does everyone remember the colours for the tests for positive and negative ions?!?!
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(Original post by Hollie1903)
How does everyone remember the colours for the tests for positive and negative ions?!?!
How does everyone remember the colours for the tests for positive and negative ions?!?!
Sodium = yellow.
Potassium = lilac.
Copper = blue/green
Calcium = brick red
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(Original post by Imsophie)
If you mean flame tests which identify positive ions the four colours you need to know in the spec are:
Sodium = yellow.
Potassium = lilac.
Copper = blue/green
Calcium = brick red
If you mean flame tests which identify positive ions the four colours you need to know in the spec are:
Sodium = yellow.
Potassium = lilac.
Copper = blue/green
Calcium = brick red
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