复分解反应:
1、碱性氧化物+酸→盐+H2O
CuO+H2SO4==CuSO4+H2OZnO+2HNO3==Zn(NO3)3+H2O
2、碱+酸→盐+H2O
NaOH+HCl===NaCl+H2O2NaOH+H2SO4===Na2SO4+2H2O
NaOH+HNO3===NaNO3+H2OMg(OH)2+2HNO3===Mg(NO3)2+2H2O
Ba(OH)2+H2SO4===BaSO4↓+2H2O
复反应的化学方程式及现象希望能解答下
复分解反应:
1、碱性氧化物+酸→盐+H2O
CuO+H2SO4==CuSO4+H2OZnO+2HNO3==Zn(NO3)3+H2O
2、碱+酸→盐+H2O
NaOH+HCl===NaCl+H2O2NaOH+H2SO4===Na2SO4+2H2O
NaOH+HNO3===NaNO3+H2OMg(OH)2+2HNO3===Mg(NO3)2+2H2O
Ba(OH)2+H2SO4===BaSO4↓+2H2O