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Chemical Tests (Testing by Reaction (with Sodium Hydroxide) (Calcium …
Chemical Tests
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Flame Tests
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When flames are exposed to these metal ions, they turn a different colour.
Negative Ions
There are some miscellaneous tests by reaction that identify other types of ion. These ions are the sulphates, halides, and carbonates.
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Sulphates
Identified by reacting with barium chloride solutions in the presence of a dilute hydrochloric acid.
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