its hydrogen gas
Thats why it is so light in weigh..
It's just air.
They are filled with air, which is a mixture of gasses, so yes they are filled with gas
They are filled with helium gas. They used to be filled with hydrogen gas but that proved to be deadly at times.
They are filled by Hydrogen gas.
The gas is liquified under pressure and it it takes the entire avalaible place inside the cylinder. thus gas is filled in a cylinder
Yes. it is filled.
Zeppelins, filled with hydrogen gas at first, making them highly flammable.
Argon gas .
neon & argon + helium gas
The gas is liquified under pressure and it it takes the entire avalaible place inside the cylinder. thus gas is filled in a cylinder
International Gas Union was created in 1931.
Question?
Methane