science
 






 

Question by  mckenzieclare (4)

Is oxygen a pure substance or a mixture?

 
+7

Answer by  HelpChat (494)

Oxygen is a pure substance, although humans rarely encounter it. We typically encounter O(2), oxygen gas, which is also pure, but not when it is mixed in the air.

 
+6

Answer by  sonicfoundation (2597)

Oxygen itself is a pure substance. It is a substance that cannot be broken down from itself into another element.

 
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Answer by  mckenzieclare (4)

is alcohol a pure substance or mixture?

 
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