faceti mi reactiile astea repede va rog

Răspuns:
4Na+O2=>2Na2O
2Na+2H2O =>2Na(OH)+H2
Cl2+H2O=>HCl+HClO
Cl2+2NaOH=> NaCl+NaClO+H2O
2Na+Cl2=>2NaCl
Cl2+2KI=>2KCl+I2
Cl2+2KBr=>2KCl+Br2