Hydrogen sulfide, H2S, burns in the presence of oxygen, O2, to produce water, H2O, and sulfur dioxide, SO2. Through this reaction, is sulfur oxidized or reduced? 2 H2S + 3 O2 ? 2 H2O + 2 SO2
A. Sulfur is oxidized.
B. Sulfur is both oxidized and reduced.
C. Sulfur is reduced.
D. Sulfur is neither oxidized nor reduced.
Answer: A
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