Write down the composition of air. Also mention the two important properties of
oxygen.
Answers
Answer:
Air contains some matter which supports combustion. This substance is oxygen. Oxygen is one of the major components of air around us. Air comprises almost 21% oxygen. Nitrogen: When you blow over a burning candle you notice that it extinguishes. This means air contains incombustible gases (gases which don’t support combustion
Explanation:
Oxygen: Oxygen is the most important chemical element of which air is composed …
Carbon Dioxide: Carbon dioxide is a trace gas with a concentration of just about …
Nitrogen: The most abundant, pure component of air is nitrogen with a …
Argon: With a concentration of 0.93%, argon is the third most abundant element
Answer:
Explanation:
The Composition of Air: Air is made up of 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and other gases in meager amounts. Water vapor is also a constituent of air in varying amounts along with dust particles. The molar mass of dry air or air with no/low quantity of water vapor in it is 28.97g/mol.