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Completati ecuatiilor reactiilor chimice:
Na2O+H20-->
NaOH+CuCl2-->
CaO+H2O-->
Na+H2O-->


Răspuns :

Na2O+H2O--> 2NaOH
2NaOH+CuCl2--> 2NaCl+Cu (OH)2
Ca+H2O--> Ca(OH)2
2Na+H2O--> Na2O+ H2