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Which of the following is a pure substance?

A. chocolate milk
B. orange juice
C. seawater
D. hydrogen peroxide (H2O2)

User Jacoor
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2 Answers

2 votes

Answer:

D. Hydrogen peroxide

Step-by-step explanation:

User Jwchoi
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A pure substance is defined as a matter having definite and constant composition all throughout a sample. It is held by chemical bonds therefore only chemical processes can be used to break it. I think the correct answer among the choices listed is option D.
User Nuno Rodrigues
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