Which acid used by goldsmith for cleaning gold ornaments
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Answer:
Nitric acid
Explanation:
Nitric acid is used by goldsmith for cleaning gold ornaments .
Nitric acid-
1) Nitric acid is the inorganic compound with the formula HNO3.
2)It is a highly corrosive mineral acid.[5] The compound is colorless, but older samples tend to be yellow cast due to decomposition into oxides of nitrogen.
3)Most commercially available nitric acid has a concentration of 68% in water.
4)When the solution contains more than 86% HNO3, it is referred to as fuming nitric acid.
FINAL ANSWER - Nitric acid
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