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The chemical equation above is not correct. It has the same substance appearing on both sides of the equation, which is H2SO4. A plausible equation could be: C + H2SO4 -> CO2 + H2O + SO2.
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Reaction condition: This reaction takes place at high temperatures.
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Reaction process:
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Observable phenomena: When the reaction occurs, you can see the emission of CO2 and SO2 gases. CO2 is a colorless, odorless, non-flammable gas, while SO2 is a pale yellow gas with a distinctive odor and is a strong oxidizer.