Răspunsuri

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2014-04-24T18:00:38+03:00
Na2O + H2O ---> 2 NaOH
2 NaOH + CuCl2 ---> 2 NaCl + CuO + H2O
CaO + H2O ---> Ca(OH)2
Ca + H2O ---> CaO + H2
2 K + H2O ---> K2O + H2
Ca(OH)2 + CO2 ---> CaCO3 + H2O

2 5 2