CuO + 2HNO3 → Cu(NO3)2 + H2O
Na2SiO3 + Ca(OH)2 = CaSiO3 + 2NaOH
2Al(OH)3= Al2O3 + 3H2O
FeCl3 + 3NaOH → Fe(OH)3↓ + 3NaCl
Au + 3 H2So4 = Au(So4)3 + 3 H2
ZnCO3 → ZnO + CO2
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CuO + 2HNO3 → Cu(NO3)2 + H2O
Na2SiO3 + Ca(OH)2 = CaSiO3 + 2NaOH
2Al(OH)3= Al2O3 + 3H2O
FeCl3 + 3NaOH → Fe(OH)3↓ + 3NaCl
Au + 3 H2So4 = Au(So4)3 + 3 H2
ZnCO3 → ZnO + CO2