Balloons are usually filled with air. It is a colourless gas. There are other colourless gas options: helium, hydrogen, methane. Coloured gas options (chlorine, bromine) are generally reactive with the rubber or fabric used in balloon manufacture and are undatisfacoty as balloon fillers.
yes. it is colourless
because helium is safe, chemically inert and environment friendly
Oxygen is a gas, therefore it is colourless.
Yes. argon is a colourless, odourless, noble gas.
Helium is a light colourless gas that does not burn
Colourless, or slightly white
Yes.
some common uses of helium are to blow up a balloonAnswerto get high to inhale and make your voice high lolThere are a few examples of the word helium. Things that are helium are balloons and lights.
NO-gas is colourless
Helium is a colourless gas
Colourless gas
air