what is oxygen??
mein nitrogen ka question post kru ya hydrogen ka aapko koi problem ╮(╯_╰)╭
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Animals and plants require oxygen for respiration. ...
Oxygen gas is colorless, odorless, and tasteless. ...
Liquid and solid oxygen is pale blue. ...
Oxygen is a nonmetal. ...
Oxygen gas normally is the divalent molecule O2. ...
Oxygen supports combustion.
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