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प्रश्न
Which of the following is used for dissolution of gold?
विकल्प
Hydrochloric acid
Sulphuric acid
Nitric acid
Aqua regia
MCQ
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उत्तर
Aqua regia
Explanation -
Aqua Regia is a highly corrosive mixture of conc. nitric acid and conc. hydrochloric acid in the ratio of 1:3. It can dissolve noble metals including gold.
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