Which of the following statements is CORRECT? Select one: A. Oxidation and reduction occur at the same time. B. If hydrogen is added to a substance, the substance is oxidized. C. If a substance is oxidized, its oxidation number decreases. D. All reductions involve loss of electrons.
Which of the following statements is CORRECT? Select one: A. Oxidation and reduction occur at the same time. B. If hydrogen is added to a substance, the substance is oxidized. C. If a substance is oxidized, its oxidation number decreases. D. All reductions involve loss of electrons.
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 20Q: When balancing equations in Chapter 3, we did not mention that reactions must be charge balanced as...
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Which of the following statements is CORRECT?
Select one:
A. Oxidation and reduction occur at the same time.
B. If hydrogen is added to a substance, the substance is oxidized.
C. If a substance is oxidized, its oxidation number decreases.
D. All reductions involve loss of electrons.
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