Answers

2016-01-25T20:24:54+05:30
A colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
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thanku for this answer
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2016-01-25T20:50:41+05:30
Colorless, odourless, reactive, non-metal,life taking, life saving, atomic no. 8, atomic mass: 16, halogen group element, in gaseous state at room temperature.
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