1)С₂H₄+O₂→CO+H₂O 2)ZnS+?→ZnO+SO₂ 3)Al+HBr→AlBr+H₂ 4)K+H₂O+KOH+H₂↑ 5)H₂S+O₂→SO+H₂O...

Question

1)С₂H₄+O₂→CO+H₂O
2)ZnS+?→ZnO+SO₂
3)Al+HBr→AlBr+H₂
4)K+H₂O+KOH+H₂↑
5)H₂S+O₂→SO+H₂O
6)Mn+Fe₂O₃→MnO+?

Answer 1

2)ZnS+O2=ZnO+SO2
6)Mn+Fe₂O₃→MnO+Fe2