What is the product of Gold + Concentrated Sulfuric Acid ?
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Metallic gold dissolves in hot strong sulphuric acid, especially if a little nitric acid is added (the precipitated metal dissolving most readily), forming a yellow liquid, which, when diluted with water, deposits the metal as a violet or brown powder.
Gold cannot be dissolved in sulphuric acid to my knowledge; but it can be dissolved in a number of things other than aqua regia, including cyanide, citrates, and sulfites. A. No. The only acid that dissolves gold is aqua regia.
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