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How Does the Oxidation Number of H Change in the Following

Question 57

Multiple Choice

How does the oxidation number of H change in the following reaction: CH₄ + 2 O₂ → CO₂ + 2 H₂O?

A) It goes from -1 to +1.
B) It goes from -2 to +2.
C) It does not change.
D) There is not enough information to tell.

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