题目内容

FeS2+ O2——Fe2O3+ SO2

                                                            

2、Cu2(OH)2CO3—— CuO+ CO2+ H2O

                                                             

3、KMnO4 —— K2MnO4 + MnO2 + O2

                                                            

4、CO + Fe3O4 —— Fe + CO2

                                                            

5、Al + Fe3O4 —— Fe + Al2O3

                                                            

6、Al + H2SO4 —— Al2(SO4)3 + H2

                                                            

7、Al(OH)3+ HCl ——AlCl3 + H2O

                                                             

8、C22H46 + O2 ——CO2 + H2

                                                            

9、Fe + H3PO4 —— Fe3( PO4)2 + H2

                                                            

10、H2 + Fe2O3 ——  Fe + H2O

                                                                     

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