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Hydrogen
Question
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In context with the industrial preparation of hydrogen from water gas (CO + H2), which of the following is the correct statement?

  • CO and H2 are fractionally separated using differences in their densities

  • CO is removed by absorption in aqueous Cu2Cl2 solution

  • H2 is removed through occlusion with Pd

  • CO is oxidised to CO2 with steam in the presence of a catalyst followed by absorption of CO2 in alkali

Answer

D.

CO is oxidised to CO2 with steam in the presence of a catalyst followed by absorption of CO2 in alkali

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