第1个回答 2014-02-05
CA(OH)2+CO2=CACO3+H2O
2KOH+SO2少量=K2SO3+H2O KOH+SO2过量=KHSO3
MGO+H2SO4=MGSO4+H2O
CAO+2HCL=CACL2+H2O
FE2O3+6HCL=2FECL3+3H2O
AL2O3+3H2SO4=AL2(SO4)3+3H2O
CAO+H2O=CA(OH)2
2NA+CL2=2NACL
CACO3=CAO+CO2本回答被网友采纳
第2个回答 2014-02-05
1.CO2+Ca(OH)2(足量)=CaHCO3+H2O
2.SO2+KOH(少量)=KHSO3
SO2+KOH(过量)=K2SO3
3.MgO+H2SO4=MgSO4+H2O
4.CaO+2HCL=CaCL2+H2O
5.Fe2O3+6HCL=2FeCL3+3H2O
6.AL2O3+3H2SO4=AL2(SO4)3+3H2O
7.AL2O3+2NaOH=2NaALO2+H20
8.CaO+H20=Ca(OH)2
9.2Na+CL2=(点燃)2NaCL
10.CaCO3=(高温)CaO+CO2
第3个回答 2014-02-05
1.二氧化碳和足量的石灰水
CO2+Ca(OH)2=H2O+CaCa3↓
2.二氧化硫和KOH溶液
SO2+2KOH=K2SO3+H2O(我是利用了配平法得出的不知是否正确)
3.MgO与H2SO4溶液
MgO+H2SO4=MgSO4+H2O
4.CaO和HCl溶液
CaO+2HCl=CaCl2+H2O
5.盐酸除锈
6HCl+Fe2O3=2FeCl3+3H2O
6.Al2O3和H2SO4
Al2O3+3H2SO4=Al2(SO4)3+3H2O
7.Al2O3与NaOH
Al2O3+2NaOH=2NaAlO2+H2O
8.生石灰溶于水
CaO+H2O=Ca(OH)2
9.Na在Cl气中燃烧
2Na+Cl2点燃=2NaCl
10.高温煅烧石灰石
CaCO3煅烧=CaO+CO2↑
第5个回答 2014-02-05
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1c950a7b02087bf4c06f35b3f0d3572c10dfcfed?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追答雨后阳光的答案有错,铁锈不是4氧化3铁