NEET 2018 Physics and Chemistry

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Question : 85 of 90
 
Marks: +1, -0
Given van der Waals constant for NH3,H2,O2 and CO2 are respectively 4.17, 0.244, 1.36 and 3.59, which one of the following gases is mosteasily liquefied?
[NEET 2018]
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