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第二部分专题研究专题突破一、物质的转化(2014考查2次、2012考查2次、2011考查1次)1.“氧”线图中物质之间转化关系的化学方程式如下:H2O2→O2:_____________________。KClO3→O2:__________________________。KMnO4→O2:________________________________。O2→CO2:________________。O2→SO2:________________。O2→P2O5:__________________。O2→Fe3O4:__________________。2.“铁”线图中物质之间转化关系的化学方程式如下:Fe→Fe2O3:____________________。Fe2O3→Fe:_________________________。Fe→FeSO4:_________________________。Fe→Fe3O4:____________________。Fe3O4→Fe:_________________________。Fe→FeCl2:_________________________。3.“碳”线图中物质之间转化关系的化学方程式如下:C→CO:___________________。C→CO2:_________________。CO→CO2:____________________。CO2→CO:__________________。CO2→H2CO3:______________________。CO2→CaCO3:____________________________________。CO2→Na2CO3:______________________________。H2CO3→CO2:___________________________。CaCO3→CO2:___________________________________。Na2CO3→CO2:___________________________________。H2CO3→Na2CO3:_________________________________。Na2CO3→NaCl:___________________________________。CH4→CO2:________________________。C2H5OH→CO2:______________________________。CaCO3→CaO:______________________。CaO→Ca(OH)2:_______________________。Ca(OH)2→CaCO3:________________________________。4.“铜”线图中物质之间转化关系的化学方程式如下:①Cu→CuO:___________________。②CuO→CuSO4:____________________________。③CuO→CuCl2:___________________________。④CuSO4→Cu(OH)2:______________________________________。⑤CuCl2→Cu(OH)2:____________________________________。5.“水”线①________________________________________。②________________________________。③_________________________________________________________________________。④___________________________________________________________________。⑤______________________________________________________________________________。⑥____________________________________________________。⑦______________________。⑧_______________________。⑨____________________________________________________________。⑩____________________________
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