2019中考化学复分解反应必背
2019-04-21 13:06:28中考网整理
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2018 复分解反应必背
1、碱性氧化物+酸→盐+H2O
Fe2O3+6HCl=2FeCl3+3H2O
Fe2O3+3H2SO4=Fe2(SO4)3+3H2O
CuO+H2SO4=CuSO4+H2O
ZnO+2HNO3=Zn(NO3)3+H2O
2、碱+酸→盐+H2O
Cu(OH)2+2HCl=CuCl2+2H2O
Cu(OH)2+H2SO4=CuSO4+2H2O
NaOH+HCl=NaCl+H2O
2NaOH+H2SO4=Na2SO4+2H2O
NaOH+HNO3=NaNO3+H2O
Mg(OH)2+2HNO3=Mg(NO3)2+2H2O
Ba(OH)2+H2SO4=BaSO4↓+2H2O
Al(OH)3+3HCl=AlCl3+3H2O白色固体溶解 胃舒平治疗胃酸过多
