1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Anhydrous calcium chloride
b
Ferric hydroxide
c
Conc. H2SO4
d
Activated coconut charcoal
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Noble gases are adsorbed by coconut charcoal. The adsorption of different noble gases occurs at different temperatures, hence charcoal is used to separate these gases. Helium is not adsorbed by charcoal (as it is very difficult liquefiable gas).