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  • 10-11-2016
  • Health
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Which of these are chemical compounds?
\(O \ _{2} \)
\(H _{2}O \)
\(CO _{2} \)
\(N _{2} \)

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TotallyTumblr
TotallyTumblr TotallyTumblr
  • 22-11-2016
I believe the answer is h20
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