Red
red
Red
SilvEr
Grey with black head
nitrous oxide cylinders are blue
neptune's gases are ammonia and Methane.There are a couple others but these are only 2 of them!
The chemical symbol for helium is "He."
The symbol of Helium is He. Helium's atomic number is 2.
um..... my dad is looking it up. OH! A helium label is silver!
um..... my dad is looking it up. OH! A helium label is silver!
Each country will have its own colour code for gas cylinders, in the UK Helium is currently transported and stored in brown painted cylinders, however the process of changing to conform to new European regulations has already begun, these will eventually be grafite grey, with the cylinder label being the main identification for the gas within.
Colourless. (Does not have a colour/ invisible).
if its possible then the reason could be the expansion of high pressured helium from tank to balloon is large.
its height of the cylinder
Oxygen is not known as helium. But a mixture of oxygen and helium is used in the oxygen cylinder for underwater diving.
Blue
it is red in colour
Blue
blue
Black