t
Mg(OH)=
Na+S=
Ba+O2=
K+Br2=
Na+O2=
C+H2=
b+O2=
Na+H2=
H2+02=

Mg(OH)₂(+t°)→MgO+H₂O2Na+S→Na₂SBa+O₂→2BaO2K+Br₂→2KBr2Na+O₂→Na₂O₂C+2H₂→CH₄2B+O₂→2BO2Na+H₂→2NaH2H₂+O₂→2H₂O