Which of the following statement is correct?

Options

A. CO and `H_2` are fractionally separated using differences in their densities
B. CO is removed by absorption in aqueous `Cu_2Cl_2` is solution
C. `H_2` is removed through occlusion with Pd
D. CO is oxidised to `CO_2` with steam in the presence of a catalyst followed by absorption of `CO_2` in alkali

Answer

D

Explanation

`underset("steam")(CO + H_2O to CO_2 + H_2)`