1. Na₃[Cr(OH)₆] = Cr(OH)₃↓ + 3NaOH
2. 2Cr(OH)₃ = Cr₂O₃ + 3H₂O
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1. Na₃[Cr(OH)₆] = Cr(OH)₃↓ + 3NaOH
2. 2Cr(OH)₃ = Cr₂O₃ + 3H₂O