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Pure oxygen is a gas that only contains oxygen - and nothing else. Oxygen is pure when a certain mass (or volume) of it contains no other elements.

As I wrote the above, someone else suggested pure oxygen was pure air. Air on earth is mostly nitrogen (about 75%), 20% oxygen, with smaller amounts of argon, water vapor, CO2, and other gasses.

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Related Questions

Where is oxygen obtained from?

"Oxygen is obtained for industrial use by the fractional distillation of liquid air, by the electrolysis of water, or by heating manganese oxide with potassium chlorate.


How humans you use oxygen in industry?

Terrible grammar. Either the asker does not speek English or is mentally challenged. I will slowly answer this question the best that I can. Humans... use oxygen... to breathe... If humans could not breathe they could not do anything industrial! That is "how humans you use oxygen in industry". They breathe it. You should try it. Your brain could use some oxygen numbnut!


Reptiles used what to absorb oxygen?

Most reptiles use diffusion through the skin to obtained oxygen.


What structure do humans use to obtain oxygen?

Lungs


What is the type of gas that humans use most?

oxygen


Why can't humans use nitrogen like oxygen?

its denser than oxygen and our bodys werent ment to use it


How is oxygen obtained by?

Oxygen is obtained by inhaling or breathing. This motion takes oxygen down to your lungs, and to small sacs call alveoli where oxygen is transmitted into the blood.


Where is oxygen obtained for mammals?

Obtained by Earths atmosphere which is 20% Oxygen and processed by the aveoli (part of the lung).


What waste does photosynthesis produce?

water and oxygen. Then us humans can use use the water and the oxygen and in return we breathe out carbon dioxide, which plants can use.


What does Humans use to breathe in oxygen and release?

Humans use their respiratory system to breathe in oxygen from the air and release carbon dioxide as waste. This process occurs in the lungs where oxygen from the air is absorbed into the bloodstream and carbon dioxide is removed from the body.


What do you mean by 'oxygen is vital for life'?

That means that oxygen is necessary for life to survive. Humans need oxygen to breathe and use for cellular respiration.


What living things use oxygen?

Most animals, including mammals, birds, fish, insects, and some reptiles, use oxygen for respiration. Additionally, many plants also require oxygen for cellular respiration, although they primarily produce oxygen through photosynthesis. Microorganisms like bacteria and fungi can also use oxygen for growth and metabolism.