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Lithium flame test colour
Red
Sodium flame test colour
Yellow
Potassium flame test colour
Lilac
Copper flame test colour
blue-green
calcium flame test
Orange red
What is an inert wire?
A wire that doesn't react
Why do we clean the wire with acid?
To remove any other ions that would give different colours.
Why do we use a blue flame in a flame test
So that we can see the colour of the ions.