Question

What us aqua regia? What is its use?

Answer 1

a mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid able to dissolve gold, silver and other resistant substances.

Answer 2

Aqua Regia (Latin name for 'Royal water') is a freshly prepared mixture of concentrated Hydrochloric acid and concentrated Nitric acid in the ratio of 3:1.

It can dissolve Gold even though neither of these acids do so alone. It is a highly corrosive, fuming liquid. It is one of the few reagents that is available to dissolve gold and platinum.

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