Which of the following statement is correct?

1.	Which of the following statement is correct?
Answer» CO and `H_2` are fractionally separated using differences in their densities CO is removed by ABSORPTION in AQUEOUS `Cu_2Cl_2` is solution `H_2` is removed through occlusion with Pd CO is oxidised to `CO_2` with steam in the presence of a CATALYST followed by absorption of `CO_2` in alkali Solution :`underset("steam")(CO + H_2O to CO_2 + H_2)`

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