In the industrial production of hydrogen from natural gas, carbon (IV) oxide produced along with the hydrogen is removed by?

A.

washing with water under pressure

B.

passing the mixture into lime water

C.

using ammoniacal copper (l) chloride

D.

drying over phoshorus (V) oxide

Correct answer is A

The carbon (IV) oxide produced along with the hydrogen is removed by dissolving it in water under a pressure of 30atm or other solvents like caustic soda solution.