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9. Redox processes

For each question choose the answer you consider to be the best.1. Which is correct statement about reduction?A. It involves the loss of hydrogen.B. It involves the addition of oxygen.C. It involves the addition of electrons.D. It involves an increase in oxidation number.2. In which species does manganese have an oxidation state of +3?A. MnSO4B. KMnO4C. Mn2O3

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