EAMCET Engineering 2004 Solved Paper

Section: Chemistry

Question : 58 of 160

Marks: +1, -0

In the Dewar's method of separation of noble gases, the mixture of noble gases is kept in contact with coconut charcoal at 173K which one of the following gaseous mixtures is not adsorbed on to the charcoal?

Ar,Kr
Xe,Ar
He,Ne
Xe,Kr

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