Gas under high pressure
depends on the size of its container and volume of helium filling it
Helium is used in balloons because it has small atoms and it has a low density.
some carry and some may not carry
1979
because helium is safe, chemically inert and environment friendly
TRUE
Many gases are filled in cylinders and include nitrogen, Carbon Dioxide, Helium, Hydrogen, Argon, Acetylene etc. Small cylinders that are extremely portable include butane etc.
Air is best.
Air is best.
Many gases are filled in cylinders and include nitrogen, Carbon Dioxide, Helium, Hydrogen, Argon, Acetylene etc. Small cylinders that are extremely portable include butane etc.
you find helium gas as a by product from the sun .you also find it in a form of alpha particle . but the form we often use today is found in the atmosphere but it only 0.005 of our amothsphere is helium gas because a lot of the helium gas flouts away.