A~H都是初中化学常见物质,已知B为黑色固体,D为红色固体单质,F

A~H都是初中化学常见物质,已知B为黑色固体,D为红色固体单质,F为红色固体化合物,它们的转化关系如下图所示:

  

  (1)写出B、C两种物质的化学式:B____;C____.

  (2)反应①的化学方程式为____.

  (3)反应③的化学方程式为____.

  (4)反应④的化学方程式为____,该反应的基本反应类型与反应____相同(填“①”、“②”或“③).

 

答案

(1)CuO CO2 (2)2CuO+C2Cu+CO2↑ (3)Fe2O3+3CO2Fe+3CO2

  (4)Fe+CuSO4=FeSO4+Cu[或Fe+CuCl2=FeCl2+Cu;或Fe+Cu(NO3)2= Fe(NO3)2+Cu] ①

解析:略

 

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