Select the correct option.
A. `Delta H_(f) [H (g)]` is equal to `Delta H_("atomisaation")` of `H_(2) (g)`
B. `Delta H_(BE) (H - H)` is equal to `Delta H_(f)` of
C. `DeltaH_(BE) (H - H)` is equal to `DeltaH_("atomisation")` of `H_(2) (g)`
D. `Delta H_("comustion") [H_(2) (g)]` is equal to `Delta H_(f) [H_(2) (g)]`
