Is Oxygen (O2) Colorless? Understanding the Color of Oxygen

Discover the truth about the color of oxygen (O2) in different states: gas, liquid, and solid.

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Oxygen (O2) is a colorless gas under standard conditions. It has no color, odor, or taste in its gaseous state, making it invisible to the human eye. However, in its liquid and solid forms, oxygen appears pale blue.

FAQs & Answers

  1. What color is oxygen in its gaseous state? Oxygen (O2) is colorless, meaning it has no visible color in its gaseous state.
  2. How does oxygen appear in liquid and solid forms? In its liquid and solid states, oxygen appears pale blue.
  3. Why is oxygen important for life? Oxygen is essential for aerobic respiration in most living organisms, enabling the production of energy.
  4. What are the properties of oxygen? Oxygen is a colorless, odorless gas that supports combustion and is crucial for life on Earth.

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