H₂S+O₂=S+H₂O HNO₂+CuO=Cu(NO₃)+H₂O AL+O₂=AL₂O₃

Question

H₂S+O₂=S+H₂O HNO₂+CuO=Cu(NO₃)+H₂O AL+O₂=AL₂O₃

Answer 1

2H2S + O2 = 2S + 2H2O
2HNO3 + CuO = Cu(NO3)2 +H2O
4Al +3O2 = 2 Al2O3