Ответ:
К+н2о=кон+н2
со2+naoh=na2co3+h2o
Hg + HNO3 = Hg(NO3)2 + NO2 + H2O
na2o+h2o=naoh
zn+h2o=zn(oh)2
feo+al=al2o3+fe
ca+h2o=ca(oh)2
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Ответ:
К+н2о=кон+н2
со2+naoh=na2co3+h2o
Hg + HNO3 = Hg(NO3)2 + NO2 + H2O
na2o+h2o=naoh
zn+h2o=zn(oh)2
feo+al=al2o3+fe
ca+h2o=ca(oh)2