1.()CH4+(2)O2-----(2)CO2+(2)H2O(条件点燃)
2.()SO2+(2H2S)----(3)S(↓)H2O
3.(2)NaOH+CuSO4----Na2SO4+Cu(OH)2↓
4.(2)Al+(3)H2SO4----Al2(SO4)3+(3)H2↑
5.(2)Fe+(2)HCl---FeCl2+H2↑
1.()CH4+(2)O2-----(2)CO2+(2)H2O(条件点燃)
2.()SO2+(2H2S)----(3)S(↓)H2O
3.(2)NaOH+CuSO4----Na2SO4+Cu(OH)2↓
4.(2)Al+(3)H2SO4----Al2(SO4)3+(3)H2↑
5.(2)Fe+(2)HCl---FeCl2+H2↑