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:
Class : Class 9
Ans 2:
Class : Class 9