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Statement The oxidation number of an element in its free or uncombined from is zero. Explanation The oxidation number of a monoatomic cation or anion is equal to its charge.A. `S` is correct but `E` is wrong.B. `S` is wrong but `E` is correct.C. Both `S` and `E` are correct and `E` is correct explanation of `S`D. Both `S` and `E` are correct but `E` is not correct explanation of `S`.

Answer» Correct Answer - D
These are facts.


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