Question

Помоогииитеее, пожалуйста ​

Answer 1

1. SO3, CO2, CO, NO

MgO, Na2O, P2O5, CuO, N2O5, CaO, N2O

2 =Ba(OH) 2+ H2

=BaPO4+H20

НКЛЬЗЯ

3. =FE2(SO4) +H2O

=BaCl + H2

=CuNO3 + H2O

4.H3PO4,