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Chemistry, 18.12.2020 01:00 mochoa4

Tarnish is produced by a redox reaction that occurs when a metal reacts with a nonmetallic compound. The green tarnish on a copper penny might be
produced by a reaction between copper and hydrogen sulfide. What occurs
during this reaction?
A. Hydrogen sulfide acts as an acid, and copper acts as a base,
B. Copper atoms gain electrons from sulfur atoms.
C. Copper atoms lose electrons to sulfur atoms.
D. A double-replacement reaction takes place.

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