science---1 question

help pls asap!

2) Which of the following is a pure substance? (1point)
Chocolate milk
Orange juice
Seawater
Hydrogen peroxide (H2O2)

i first thought it was C (seawater) but is it D (H2O2)!??

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  1. did a little research, i think it H202, ill post to see if its right.

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    posted by TTR+S<3
  2. ok, H2O2 is right...

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    posted by TTR+S<3
  3. yes

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    posted by Damon
  4. right.
    hydrogen peroxide.

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  5. ABC are mixtures but D is a pure substance

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