Air contains about 78% nitrogen and 21% oxygen. Oxygen in air supports burning whereas nitrogen does not.
Air contains about 78% nitrogen and 21% oxygen. Oxygen in air supports burning whereas nitrogen does not.The component of air that supports burning is called oxygen.
Oxygen is necessary for the survival of all living beings. It is required in respiration.
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Air contains about 78% nitrogen and 21% oxygen. Oxygen in air supports burning whereas nitrogen does not.
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