2KOH +Zn(NO3)2 = 2KNO3 + Zn(OH)2
Ba(NO3)2 + CuSO4 = BaSO4 + Cu(NO3)2
Fe2O3 +6 HNO3 = 2Fe(NO3)3 + 3H2O
Fe(OH)2 + 2HNO3 = Fe(NO3)2 + 2H2O
Na2SO4 + Ba(NO3)2 = BaSO4 + 2NaNO3
3NaOH + AlCl3 = 3NaCl + Al(OH)3
Al2O3 +6 HCl = 2AlCl3 + 3H2O
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Verified answer
2KOH +Zn(NO3)2 = 2KNO3 + Zn(OH)2
Ba(NO3)2 + CuSO4 = BaSO4 + Cu(NO3)2
Fe2O3 +6 HNO3 = 2Fe(NO3)3 + 3H2O
Fe(OH)2 + 2HNO3 = Fe(NO3)2 + 2H2O
Na2SO4 + Ba(NO3)2 = BaSO4 + 2NaNO3
3NaOH + AlCl3 = 3NaCl + Al(OH)3
Al2O3 +6 HCl = 2AlCl3 + 3H2O