Question

дописать уравнения реакций
Ca+HCI=
CuO+HNO=
KOH+H²CO³=
NaOH+CO²=
Fe(OH)²↓↑=

Answer 1

Ca + 2HCl = CaCl2 + H2

CuO + 2HNO3 = Cu(NO3)2 + H2O

2KOH + H2CO3 = K2CO3 + 2H2O

NaOH + CO2 = NaHCO3

Fe(OH)2 (t)= FeO + H2O