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Krishika from LFCS, Sangrur
Subject :NSO    Class : Class 9

Boiling points of some gases are given in the table.



The gases that are in the liquid state at -200°C are

AMethane, oxygen and xenon
BHelium, neon and xenon
CHelium and neon
DAll the gases given in the table.


Should'nt the answer be C?

Ans 1:

Luv from AAKASH INSTITUTE, SONIPAT
Class : Class 9

Ans 2:

Harshal Ghate from Giis, Singapore
Class : Class 9

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