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)!??

5 answers

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

ok, H2O2 is right...

yes

right.
hydrogen peroxide.

ABC are mixtures but D is a pure substance