Oxygen is colorless as a gas, but as a liquid it is pale blue.
Oxygen gas is colorless but liquid oxygen has a faint blue-green tint.
Oxygen is colourless.
its a natural color
oxygen it has no colour, taste or smell.
Green
Oxygen because when something hits oxygen it tends to rust so therefore it changes it's color.
Liquid Oxygen is only one of the physical forms of elemental oxygen. It is pale in color and can be purchased at from most welding and medical supply dealers.
Oxygen gas has no color. Liquid oxygen has a very slight blue color.
oxygen has no colour
its a natural color
no
no
Human blood has red color when oxygenated which is mainly because of red blood cells. Its color changes to purple when present in oxygen deprived circumstances. To restore the color the blood has to be placed in oxygen rich environment.
Liquid oxygen is a pale blue.
oxygen it has no colour, taste or smell.
When blood cells have oxygen they are red, when they have no oxygen they are a darker shade of red.
Capillaries change color as they pass by body cells as the blood they contain loses oxygen. Oxygen-rich blood has a brighter color than oxygen-poor blood.
red
purple