Tamilnadu BoardEnglish MediumSTD 9ScienceCHEMISTRY CH14 Acids, Bases and Salts1 Mark
Question
What is Aquaregia? Mention its uses.
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Answer
It is a mixture of hydrochloric acid and nitric acid prepared optimally in a molar ratio of 3:1. It is a yellow-orange fuming liquid. It is a highly corrosive liquid, able to attack gold and other resistant substances.
Aquaregia is used tp dissolve noble metals such as gold, platinum, and palladium.
It is used Tor cleaning and refining gold.
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