the best answer is that it is a property of oxygen gas that it a colorless gas.
It's colourless. When it absorbs oxygen from the air, it turns purple. It can be used in this way to calculate the amount of oxygen in air. colourless → + oxygen → purple (just an example, not a proper format)
Hydrogen cyanide is a colourless gas that is deadly when inhaled. It interferes with the body's ability to use oxygen, leading to suffocation and death. It has a faint bitter almond smell but not everyone can detect it, making it even more dangerous.
Nothing, the reactants and products all are colourless.
Air.The air we breathe seems to fit the bill. It is mostlycomposed of nitrogen and oxygen and is colourless and odourless.
Helium is a colorless, odorless gas at room temperature.
Oxygen is a gas, therefore it is colourless.
Yes, oxygen is a colourless gas.
Oxygen is a light, odourless,colourless gas
it is a colourless gas as are most gases
Oxygen is a colourless, odorless gas
Oxygen is a light, odourless,colourless gas
Oxygen is a colourless, tasteless, odourless gas.
Both are colourless and odourless.
oxygen is a pure gas. it is colourless and odorless.
Cheese right someone put cheese how is that a colourless gas i will never know but i think the answer is gas
Oxygen
They are the two main constituents of the air and, as you will notice, they are colourless.