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10 cards from this deck
+2 (Fe2+\text{Fe}^{2+}Fe2+) and +3 (Fe3+\text{Fe}^{3+}Fe3+)
Purple to colourless
Reduced (gain electrons)
Orange to green
Same element simultaneously oxidized and reduced
Brown Cu metal and blue CuSO4\text{CuSO}_4CuSO4 solution
NH3\text{NH}_3NH3 gas turns red litmus blue
Effervescence (fizzing) as CO2\text{CO}_2CO2 released
White precipitate of BaSO4\text{BaSO}_4BaSO4
White, cream, yellow
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