Helium is a light colourless gas that does not burn
Colourless, or slightly white
The gas in regular air is primarily nitrogen, which makes up about 78% of the atmospheric composition. Oxygen is the second most abundant gas in air, with a concentration of around 21%. Trace amounts of other gases such as argon, carbon dioxide, and helium are also present.
Ozone.
Yes, air is a mixture of mostly nitrogen and oxygen, with some carbon dioxide, water vapor, and argon as well as trace amounts of other gasses.
The most probable answer for your your question is pure water.
air
Argon may be present in trace amounts in the air breathed in and out, but because it is a noble gas it has no way of remaining there.
Helium gas, and trace amounts of Oxygen and Nitrogen.
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.
Colorless , but exposure to moist air gives white fumes.
yes. it is colourless
Oxygen is a gas, therefore it is colourless.
it is colourless tasteless odourless lighter than air & is highly flammable
Krypton is a gas that is found in the atmosphere in trace amounts.
Yes. argon is a colourless, odourless, noble gas.
Colourless, or slightly white
No. Air is inherently a mix of countless substances, such as nitrogen, oxygen, carbon, and trace amounts of anything else you can think of.