Physical Properties Of Oxygen by keypoint It is a diatomic gas, which is colourless, odourless and tasteless. It has no effect on litmus paper. It is slightly soluble in water. It is denser than air. It is liquefied at – 183°c and solidified at – 225°c Others are Viewing: Chemical Properties Of Oxygen Oxygen Test For Oxygen Uses Of Oxygen Physical Properties of Chloride Physical Properties Of HNO3 Physical Properties of Ammonia