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Flame Test
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In chemistry, the use of a flame to identify metal cations present in a solid.
A nichrome or platinum wire is moistened with acid, dipped in a compound of the element, either powdered or in solution, and then held in a hot non-luminous flame. The colour produced in the flame is characteristic of metals present; for example, sodium burns with an orange-yellow flame, and potassium with a lilac one.
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