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EAMCET Engineering 2004 Solved Paper

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Question : 58

Total: 160

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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