Question

CaO + H2 O =
Mg(OH)2 + HCL =
SiO2 + H3PO4 =
SO3 + KOH =
Fe2O3 + HCL =

Answer 1

=Ca(OH)2
=MgCl2+2H2O
не взаимодействуют
=K2SO3+H2O
=FeCl2+H2O