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2 HNO3 + 1 Mn(OH)2 → 2 H2O + 1 Mn(NO3)2
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2 HCN + 1 CuSO4 → 1 H2SO4 + 1 Cu(CN)2
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2 NaI + 1 CaCl2 → 2 NaCl + 1 CaI2
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2 AgNO2 + 1 BaSO4 → 1 Ag2SO4 + 1 Ba(NO2)2
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1 O2 + 1 H2 → 2 H2O
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2 Na2O → 4 Na + 1 O2
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2 Ag + 1 CuSO4 → 1 Ag2SO4 + 1 Cu
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1 BaS + 1 PtCl2 → 1 BaCl2 + 1 PtS
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2 KOH + 1 H2SO4 → 1 K2SO4 + 2 H2O
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1 Zn + 1 Au(NO2)2 → 1 Zn(NO2)2 + 1 Au
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