Silver tarnish Ag2S) can be removed by immersing silverware in a hot solution of baking soda NaHCO3) in a pan lined with aluminum foil; however, foul-smelling hydrogen sulfide gas H2S) is produced.Which of the statements below is true? 
A) Aluminum ions react with S2+, form aluminum sulfide, and gaseous carbon dioxide is released.
B) Silver ions in the presence of the baking soda NaHCO3) oxidize sulfide to elemental sulfur that attacks the aluminum foil, which produces aluminum sulfide.
C) The aluminum acts as a reducing agent for the silverI) in silver sulfide; then bicarbonate ion protonates the sulfide ion that is released.
D) Aluminum is plated onto the silver surface, making it shiny again, and then the reaction of bicarbonate with aluminum oxide releases CO2.
E) Silver in Ag2S reduces the aluminum, becomes metallic silver in the process, and releases hydrogen sulfide, H2S.
Correct Answer:
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