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1) Completati Urmatoarele reactii si stabiliti tipul lor :
K+H2O= ___ + ____ ↥
K2O + H2O = ______ +
K2O + HCl = _______+_____
KOH+HCl=________+_________
K2CO3+HCl=_____+______+_____ ↥
KOH + CO2 = K2CO3+ ______