A) Anhydrous \[CaC{{l}_{2}}\]
B) Charcoal
C) Conc. \[{{H}_{2}}S{{O}_{4}}\]
D) Coconut
Correct Answer: B
Solution :
Noble gases are found in very minute amount in atmosphere. These are separated from each other by using coconut charcoal. Which adsorb different gas at different temperature.
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