Multiple Choice
In the following reaction, how does the oxidation number of O change: CH4 + 2 O2 → CO2 + 2 H2O?
A) It goes from 0 to +2.
B) It goes from 0 to -2.
C) It does not change.
D) There is not enough information to tell.
Correct Answer:

Verified
Correct Answer:
Verified
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