What is Aqua regia ?
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Aqua regia is a mixture of nitric acid and hydrochloric acid, at a molar ratio of 1:3 optimally. Use of Aqua regia: It can dissolve noble metals such as gold and platinum but not all metals. It is used as an electrolyte in the Wohlwill process to refine gold of the highest quality (99.999%).
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Aquaregia also known as royal water is a mixture of concentrated Sulphuric acid and conc. Nitric acid in the ratio of 3:1
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