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2 answers

Gold doesn't react with any of them.
Silver reacts with concentrated nitric acid.
Copper reacts with concentrated nitric acid and hot, concentrated sulphuric acid.
Hydrogen is never given off.

2007-01-31 03:48:33 · answer #1 · answered by Gervald F 7 · 0 0

deep doodoo

2007-01-31 03:36:52 · answer #2 · answered by Anonymous · 0 1

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