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PrecipitatewithNaOH
The colour precipitate formed when a metal ion reacts with NaOH
Metal Ion | Colour Precipitate |
---|---|
Aluminium (Al3+) | White (dissolve in excess) |
Calcium (Ca2+) | White (insoluble, use flame test) |
Magnesium (Mg2+) | White (insoluble, use flame test) |
Copper (Cu2+) | Blue |
Iron II (Fe2+) | Green |
Iron III (Fe3+) | Brown (rust) |