Isolation of Nobel gasses

 Isolation of Nobel Gasses:

1-                    Helium-
  Helium is commercially obtained from natural gasses by compression and cooling method. The natural gas mainly contain hydrocarbons along with H2S, CO2, H2 O, N2
and He. The natural gas is compressed to about 100 atm and cooled to about -200°C. Under these conditions, other gases liquefy leaving Helium. Then He is collected and purified to get pure helium.

2-  Neon, Argon, Krypton and
     Xenon-
 These gasses are obtained by the Fractional distillation of liquid charcoal at different temperatures.

3-              Radon-
 Radon is obtained during the radioactive disintegration 



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