1. H2+Cl2 = 2HCl
2. 2Al+6HCl = 2AlCl3+3H2
3. Al(OH)3 + 3HNO3 = Al(NO)3 + 3H2O
1. Br2 +H2=2HBr
2. 2HBr + MgCl2 = MgBr2 + 2HCl
3. MgBr2+2NaOH = Mg(OH)2(осадок)
4. Mg(OH)2+H2SO4 = MgSO4+2H2O
1. H2+Cl2 = 2HCl
2. 2Al+6HCl = 2AlCl3+3H2
3. Al(OH)3 + 3HNO3 = Al(NO)3 + 3H2O
1. Br2 +H2=2HBr
2. 2HBr + MgCl2 = MgBr2 + 2HCl
3. MgBr2+2NaOH = Mg(OH)2(осадок)
4. Mg(OH)2+H2SO4 = MgSO4+2H2O