CaO+MgO=CaO+H2CO4=NaOH+K2O=HCl+K2O=BaO+H2O=ClO2+KOH=HCl+Ba(NO3)2=

Question

CaO+MgO=
CaO+H2CO4=
NaOH+K2O=
HCl+K2O=
BaO+H2O=
ClO2+KOH=
HCl+Ba(NO3)2=

Answer 1

CaO+H₂CO4= ≠
NaOH+K₂O ≠
2HCl + K₂O= 2KCl + H₂O
BaO + H₂O= Ba(OH)₂
Cl₂O+ KOH ≠ т.к. ClO₂нет такого в-ва
HCl + Ba(NO₃)₂≠
СaO + MgO ≠