1) H₂ + Br₂ = 2 HBr
2) MgO + 2 HBr = MgBr₂+ H₂O
3) MgBr₂ + Cl₂ = MgCl₂ + Br₂
4)Ag2SO4 + MgBr2 = 2AgBr + MgSO4
1) H₂ + Br₂ = 2 HBr
2) MgO + 2 HBr = MgBr₂+ H₂O
3) MgBr₂ + Cl₂ = MgCl₂ + Br₂
4)Ag2SO4 + MgBr2 = 2AgBr + MgSO4