Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Noble gases are adsorbed by
A
Anhydrous calcium chloride
B
Ferric hydroxide
C
Conc. 
D
Activated coconut charcol
Text Solution
Verified by ExpertsThe correct answer is:
D
Noble gases are adsorbed by coconut charcoal. The adsorption of different noble gases occur at different temperatures, hence charcoal is used to separate these gases. Helium is not adsorbed by charcoal (as it is very difficulty liquifiable gas).
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